426389715

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1\times {\mathrm{443}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 753453792

約数和(自身を除く): 327064077

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 293, 365, 443, 657, 879, 1095, 1329, 1465, 2215, 2637, 3285, 3987, 4395, 6645, 13185, 19935, 21389, 32339, 64167, 97017, 106945, 129799, 161695, 192501, 291051, 320835, 389397, 485085, 648995, 962505, 1168191, 1455255, 1946985, 5840955, 9475327, 28425981, 47376635, 85277943, 142129905, 426389715]

約数ペア:

[(1, 426389715), (3, 142129905), (5, 85277943), (9, 47376635), (15, 28425981), (45, 9475327), (73, 5840955), (219, 1946985), (293, 1455255), (365, 1168191), (443, 962505), (657, 648995), (879, 485085), (1095, 389397), (1329, 320835), (1465, 291051), (2215, 192501), (2637, 161695), (3285, 129799), (3987, 106945), (4395, 97017), (6645, 64167), (13185, 32339), (19935, 21389)]