668868741

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 1030881280

約数和(自身を除く): 362012539

約数列:

[1, 3, 9, 31, 43, 93, 127, 129, 279, 381, 387, 439, 1143, 1317, 1333, 3937, 3951, 3999, 5461, 11811, 11997, 13609, 16383, 18877, 35433, 40827, 49149, 55753, 56631, 122481, 167259, 169291, 169893, 501777, 507873, 585187, 1523619, 1728343, 1755561, 2397379, 5185029, 5266683, 7192137, 15555087, 21576411, 74318749, 222956247, 668868741]

約数ペア:

[(1, 668868741), (3, 222956247), (9, 74318749), (31, 21576411), (43, 15555087), (93, 7192137), (127, 5266683), (129, 5185029), (279, 2397379), (381, 1755561), (387, 1728343), (439, 1523619), (1143, 585187), (1317, 507873), (1333, 501777), (3937, 169893), (3951, 169291), (3999, 167259), (5461, 122481), (11811, 56631), (11997, 55753), (13609, 49149), (16383, 40827), (18877, 35433)]