71984331

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 114000640

約数和(自身を除く): 42016309

約数列:

[1, 3, 9, 19, 57, 61, 67, 103, 171, 183, 201, 309, 549, 603, 927, 1159, 1273, 1957, 3477, 3819, 4087, 5871, 6283, 6901, 10431, 11457, 12261, 17613, 18849, 20703, 36783, 56547, 62109, 77653, 119377, 131119, 232959, 358131, 393357, 420961, 698877, 1074393, 1180071, 1262883, 3788649, 7998259, 23994777, 71984331]

約数ペア:

[(1, 71984331), (3, 23994777), (9, 7998259), (19, 3788649), (57, 1262883), (61, 1180071), (67, 1074393), (103, 698877), (171, 420961), (183, 393357), (201, 358131), (309, 232959), (549, 131119), (603, 119377), (927, 77653), (1159, 62109), (1273, 56547), (1957, 36783), (3477, 20703), (3819, 18849), (4087, 17613), (5871, 12261), (6283, 11457), (6901, 10431)]