64554399

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 120775200

約数和(自身を除く): 56220801

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 149, 161, 207, 273, 299, 447, 483, 529, 819, 897, 1043, 1341, 1449, 1587, 1937, 2093, 2691, 3129, 3427, 3703, 4761, 5811, 6279, 6877, 9387, 10281, 11109, 13559, 17433, 18837, 20631, 23989, 30843, 33327, 40677, 44551, 48139, 61893, 71967, 78821, 122031, 133653, 144417, 215901, 236463, 311857, 400959, 433251, 551747, 709389, 935571, 1024673, 1655241, 2806713, 3074019, 4965723, 7172711, 9222057, 21518133, 64554399]

約数ペア:

[(1, 64554399), (3, 21518133), (7, 9222057), (9, 7172711), (13, 4965723), (21, 3074019), (23, 2806713), (39, 1655241), (63, 1024673), (69, 935571), (91, 709389), (117, 551747), (149, 433251), (161, 400959), (207, 311857), (273, 236463), (299, 215901), (447, 144417), (483, 133653), (529, 122031), (819, 78821), (897, 71967), (1043, 61893), (1341, 48139), (1449, 44551), (1587, 40677), (1937, 33327), (2093, 30843), (2691, 23989), (3129, 20631), (3427, 18837), (3703, 17433), (4761, 13559), (5811, 11109), (6279, 10281), (6877, 9387)]