81503442

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 186595200

約数和(自身を除く): 105091758

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 109, 122, 183, 218, 227, 327, 366, 454, 549, 654, 681, 981, 1098, 1362, 1647, 1962, 2043, 2943, 3294, 4086, 5886, 6129, 6649, 12258, 13298, 13847, 19947, 24743, 27694, 39894, 41541, 49486, 59841, 74229, 83082, 119682, 124623, 148458, 179523, 222687, 249246, 359046, 373869, 445374, 668061, 747738, 1336122, 1509323, 3018646, 4527969, 9055938, 13583907, 27167814, 40751721, 81503442]

約数ペア:

[(1, 81503442), (2, 40751721), (3, 27167814), (6, 13583907), (9, 9055938), (18, 4527969), (27, 3018646), (54, 1509323), (61, 1336122), (109, 747738), (122, 668061), (183, 445374), (218, 373869), (227, 359046), (327, 249246), (366, 222687), (454, 179523), (549, 148458), (654, 124623), (681, 119682), (981, 83082), (1098, 74229), (1362, 59841), (1647, 49486), (1962, 41541), (2043, 39894), (2943, 27694), (3294, 24743), (4086, 19947), (5886, 13847), (6129, 13298), (6649, 12258)]