4920993819

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{42989}}^1$

素因数の和:43104

約数の個数: 48

約数和(自身を含む): 8584243200

約数和(自身を除く): 3663249381

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 79, 161, 207, 237, 483, 553, 711, 1449, 1659, 1817, 4977, 5451, 12719, 16353, 38157, 42989, 114471, 128967, 300923, 386901, 902769, 988747, 2708307, 2966241, 3396131, 6921229, 8898723, 10188393, 20763687, 23772917, 30565179, 62291061, 71318751, 78111013, 213956253, 234333039, 546777091, 702999117, 1640331273, 4920993819]

約数ペア:

[(1, 4920993819), (3, 1640331273), (7, 702999117), (9, 546777091), (21, 234333039), (23, 213956253), (63, 78111013), (69, 71318751), (79, 62291061), (161, 30565179), (207, 23772917), (237, 20763687), (483, 10188393), (553, 8898723), (711, 6921229), (1449, 3396131), (1659, 2966241), (1817, 2708307), (4977, 988747), (5451, 902769), (12719, 386901), (16353, 300923), (38157, 128967), (42989, 114471)]