81455166

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 212889600

約数和(自身を除く): 131434434

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 31, 38, 39, 54, 57, 62, 78, 93, 114, 117, 171, 186, 197, 234, 247, 279, 342, 351, 394, 403, 494, 513, 558, 589, 591, 702, 741, 806, 837, 1026, 1178, 1182, 1209, 1482, 1674, 1767, 1773, 2223, 2418, 2561, 3534, 3546, 3627, 3743, 4446, 5122, 5301, 5319, 6107, 6669, 7254, 7486, 7657, 7683, 10602, 10638, 10881, 11229, 12214, 13338, 15314, 15366, 15903, 18321, 21762, 22458, 22971, 23049, 31806, 33687, 36642, 45942, 46098, 48659, 54963, 67374, 68913, 69147, 79391, 97318, 101061, 109926, 116033, 137826, 138294, 145977, 158782, 164889, 202122, 206739, 232066, 238173, 291954, 329778, 348099, 413478, 437931, 476346, 696198, 714519, 875862, 1044297, 1313793, 1429038, 1508429, 2088594, 2143557, 2627586, 3016858, 3132891, 4287114, 4525287, 6265782, 9050574, 13575861, 27151722, 40727583, 81455166]

約数ペア:

[(1, 81455166), (2, 40727583), (3, 27151722), (6, 13575861), (9, 9050574), (13, 6265782), (18, 4525287), (19, 4287114), (26, 3132891), (27, 3016858), (31, 2627586), (38, 2143557), (39, 2088594), (54, 1508429), (57, 1429038), (62, 1313793), (78, 1044297), (93, 875862), (114, 714519), (117, 696198), (171, 476346), (186, 437931), (197, 413478), (234, 348099), (247, 329778), (279, 291954), (342, 238173), (351, 232066), (394, 206739), (403, 202122), (494, 164889), (513, 158782), (558, 145977), (589, 138294), (591, 137826), (702, 116033), (741, 109926), (806, 101061), (837, 97318), (1026, 79391), (1178, 69147), (1182, 68913), (1209, 67374), (1482, 54963), (1674, 48659), (1767, 46098), (1773, 45942), (2223, 36642), (2418, 33687), (2561, 31806), (3534, 23049), (3546, 22971), (3627, 22458), (3743, 21762), (4446, 18321), (5122, 15903), (5301, 15366), (5319, 15314), (6107, 13338), (6669, 12214), (7254, 11229), (7486, 10881), (7657, 10638), (7683, 10602)]