28170723

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 44830720

約数和(自身を除く): 16659997

約数列:

[1, 3, 7, 21, 31, 93, 109, 217, 327, 397, 651, 763, 1191, 2289, 2779, 3379, 8337, 10137, 12307, 23653, 36921, 43273, 70959, 86149, 129819, 258447, 302911, 908733, 1341463, 4024389, 9390241, 28170723]

約数ペア:

[(1, 28170723), (3, 9390241), (7, 4024389), (21, 1341463), (31, 908733), (93, 302911), (109, 258447), (217, 129819), (327, 86149), (397, 70959), (651, 43273), (763, 36921), (1191, 23653), (2289, 12307), (2779, 10137), (3379, 8337)]