81051516

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2749}}^1$

素因数の和:2785

約数の個数: 120

約数和(自身を含む): 260876000

約数和(自身を除く): 179824484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 252, 273, 324, 351, 364, 378, 468, 546, 567, 702, 756, 819, 1053, 1092, 1134, 1404, 1638, 2106, 2268, 2457, 2749, 3276, 4212, 4914, 5498, 7371, 8247, 9828, 10996, 14742, 16494, 19243, 24741, 29484, 32988, 35737, 38486, 49482, 57729, 71474, 74223, 76972, 98964, 107211, 115458, 142948, 148446, 173187, 214422, 222669, 230916, 250159, 296892, 321633, 346374, 428844, 445338, 500318, 519561, 643266, 692748, 750477, 890676, 964899, 1000636, 1039122, 1286532, 1500954, 1558683, 1929798, 2078244, 2251431, 2894697, 3001908, 3117366, 3859596, 4502862, 5789394, 6234732, 6754293, 9005724, 11578788, 13508586, 20262879, 27017172, 40525758, 81051516]

約数ペア:

[(1, 81051516), (2, 40525758), (3, 27017172), (4, 20262879), (6, 13508586), (7, 11578788), (9, 9005724), (12, 6754293), (13, 6234732), (14, 5789394), (18, 4502862), (21, 3859596), (26, 3117366), (27, 3001908), (28, 2894697), (36, 2251431), (39, 2078244), (42, 1929798), (52, 1558683), (54, 1500954), (63, 1286532), (78, 1039122), (81, 1000636), (84, 964899), (91, 890676), (108, 750477), (117, 692748), (126, 643266), (156, 519561), (162, 500318), (182, 445338), (189, 428844), (234, 346374), (252, 321633), (273, 296892), (324, 250159), (351, 230916), (364, 222669), (378, 214422), (468, 173187), (546, 148446), (567, 142948), (702, 115458), (756, 107211), (819, 98964), (1053, 76972), (1092, 74223), (1134, 71474), (1404, 57729), (1638, 49482), (2106, 38486), (2268, 35737), (2457, 32988), (2749, 29484), (3276, 24741), (4212, 19243), (4914, 16494), (5498, 14742), (7371, 10996), (8247, 9828)]