641309877

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{8971}}^1$

素因数の和:9050

約数の個数: 36

約数和(自身を含む): 1024530624

約数和(自身を除く): 383220747

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 169, 423, 507, 611, 1521, 1833, 5499, 7943, 8971, 23829, 26913, 71487, 80739, 116623, 349869, 421637, 1049607, 1264911, 1516099, 3794733, 4548297, 5481281, 13644891, 16443843, 49331529, 71256653, 213769959, 641309877]

約数ペア:

[(1, 641309877), (3, 213769959), (9, 71256653), (13, 49331529), (39, 16443843), (47, 13644891), (117, 5481281), (141, 4548297), (169, 3794733), (423, 1516099), (507, 1264911), (611, 1049607), (1521, 421637), (1833, 349869), (5499, 116623), (7943, 80739), (8971, 71487), (23829, 26913)]