995889921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{1997}}^1$

素因数の和:2705

約数の個数: 32

約数和(自身を含む): 1508250240

約数和(自身を除く): 512360319

約数列:

[1, 3, 13, 19, 39, 57, 247, 673, 741, 1997, 2019, 5991, 8749, 12787, 25961, 26247, 37943, 38361, 77883, 113829, 166231, 493259, 498693, 1343981, 1479777, 4031943, 17471753, 25535639, 52415259, 76606917, 331963307, 995889921]

約数ペア:

[(1, 995889921), (3, 331963307), (13, 76606917), (19, 52415259), (39, 25535639), (57, 17471753), (247, 4031943), (673, 1479777), (741, 1343981), (1997, 498693), (2019, 493259), (5991, 166231), (8749, 113829), (12787, 77883), (25961, 38361), (26247, 37943)]