31112175

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 53568000

約数和(自身を除く): 22455825

約数列:

[1, 3, 5, 15, 25, 59, 75, 79, 89, 177, 237, 267, 295, 395, 445, 885, 1185, 1335, 1475, 1975, 2225, 4425, 4661, 5251, 5925, 6675, 7031, 13983, 15753, 21093, 23305, 26255, 35155, 69915, 78765, 105465, 116525, 131275, 175775, 349575, 393825, 414829, 527325, 1244487, 2074145, 6222435, 10370725, 31112175]

約数ペア:

[(1, 31112175), (3, 10370725), (5, 6222435), (15, 2074145), (25, 1244487), (59, 527325), (75, 414829), (79, 393825), (89, 349575), (177, 175775), (237, 131275), (267, 116525), (295, 105465), (395, 78765), (445, 69915), (885, 35155), (1185, 26255), (1335, 23305), (1475, 21093), (1975, 15753), (2225, 13983), (4425, 7031), (4661, 6675), (5251, 5925)]