27987804

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:859

約数の個数: 72

約数和(自身を含む): 77255360

約数和(自身を除く): 49267556

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 79, 117, 156, 158, 234, 237, 316, 468, 474, 711, 757, 948, 1027, 1422, 1514, 2054, 2271, 2844, 3028, 3081, 4108, 4542, 6162, 6813, 9084, 9243, 9841, 12324, 13626, 18486, 19682, 27252, 29523, 36972, 39364, 59046, 59803, 88569, 118092, 119606, 177138, 179409, 239212, 354276, 358818, 538227, 717636, 777439, 1076454, 1554878, 2152908, 2332317, 3109756, 4664634, 6996951, 9329268, 13993902, 27987804]

約数ペア:

[(1, 27987804), (2, 13993902), (3, 9329268), (4, 6996951), (6, 4664634), (9, 3109756), (12, 2332317), (13, 2152908), (18, 1554878), (26, 1076454), (36, 777439), (39, 717636), (52, 538227), (78, 358818), (79, 354276), (117, 239212), (156, 179409), (158, 177138), (234, 119606), (237, 118092), (316, 88569), (468, 59803), (474, 59046), (711, 39364), (757, 36972), (948, 29523), (1027, 27252), (1422, 19682), (1514, 18486), (2054, 13626), (2271, 12324), (2844, 9841), (3028, 9243), (3081, 9084), (4108, 6813), (4542, 6162)]