28379091

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 42219520

約数和(自身を除く): 13840429

約数列:

[1, 3, 13, 39, 61, 79, 151, 183, 237, 453, 793, 1027, 1963, 2379, 3081, 4819, 5889, 9211, 11929, 14457, 27633, 35787, 62647, 119743, 155077, 187941, 359229, 465231, 727669, 2183007, 9459697, 28379091]

約数ペア:

[(1, 28379091), (3, 9459697), (13, 2183007), (39, 727669), (61, 465231), (79, 359229), (151, 187941), (183, 155077), (237, 119743), (453, 62647), (793, 35787), (1027, 27633), (1963, 14457), (2379, 11929), (3081, 9211), (4819, 5889)]