664606719

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{3677}}^1$

素因数の和:3860

約数の個数: 48

約数和(自身を含む): 1162836480

約数和(自身を除く): 498229761

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 151, 171, 399, 453, 1057, 1197, 1359, 2869, 3171, 3677, 8607, 9513, 11031, 20083, 25739, 25821, 33093, 60249, 69863, 77217, 180747, 209589, 231651, 489041, 555227, 628767, 1467123, 1665681, 3886589, 4401369, 4997043, 10549313, 11659767, 31647939, 34979301, 73845191, 94943817, 221535573, 664606719]

約数ペア:

[(1, 664606719), (3, 221535573), (7, 94943817), (9, 73845191), (19, 34979301), (21, 31647939), (57, 11659767), (63, 10549313), (133, 4997043), (151, 4401369), (171, 3886589), (399, 1665681), (453, 1467123), (1057, 628767), (1197, 555227), (1359, 489041), (2869, 231651), (3171, 209589), (3677, 180747), (8607, 77217), (9513, 69863), (11031, 60249), (20083, 33093), (25739, 25821)]