665348541

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 1081092096

約数和(自身を除く): 415743555

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 167, 251, 407, 429, 481, 501, 753, 1221, 1443, 1837, 2171, 2761, 3263, 5291, 5511, 6179, 6513, 8283, 9287, 9789, 15873, 18537, 23881, 27861, 35893, 41917, 67969, 71643, 80327, 102157, 107679, 120731, 125751, 203907, 240981, 306471, 362193, 461087, 544921, 883597, 1328041, 1383261, 1550929, 1634763, 2650791, 3984123, 4652787, 5994131, 17060219, 17982393, 20162077, 51180657, 60486231, 221782847, 665348541]

約数ペア:

[(1, 665348541), (3, 221782847), (11, 60486231), (13, 51180657), (33, 20162077), (37, 17982393), (39, 17060219), (111, 5994131), (143, 4652787), (167, 3984123), (251, 2650791), (407, 1634763), (429, 1550929), (481, 1383261), (501, 1328041), (753, 883597), (1221, 544921), (1443, 461087), (1837, 362193), (2171, 306471), (2761, 240981), (3263, 203907), (5291, 125751), (5511, 120731), (6179, 107679), (6513, 102157), (8283, 80327), (9287, 71643), (9789, 67969), (15873, 41917), (18537, 35893), (23881, 27861)]