78825975

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 134348544

約数和(自身を除く): 55522569

約数列:

[1, 3, 5, 15, 25, 71, 75, 113, 131, 213, 339, 355, 393, 565, 655, 1065, 1695, 1775, 1965, 2825, 3275, 5325, 8023, 8475, 9301, 9825, 14803, 24069, 27903, 40115, 44409, 46505, 74015, 120345, 139515, 200575, 222045, 232525, 370075, 601725, 697575, 1051013, 1110225, 3153039, 5255065, 15765195, 26275325, 78825975]

約数ペア:

[(1, 78825975), (3, 26275325), (5, 15765195), (15, 5255065), (25, 3153039), (71, 1110225), (75, 1051013), (113, 697575), (131, 601725), (213, 370075), (339, 232525), (355, 222045), (393, 200575), (565, 139515), (655, 120345), (1065, 74015), (1695, 46505), (1775, 44409), (1965, 40115), (2825, 27903), (3275, 24069), (5325, 14803), (8023, 9825), (8475, 9301)]