221535573

素因数分解:

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

素因数の和:3857

約数の個数: 32

約数和(自身を含む): 357795840

約数和(自身を除く): 136260267

約数列:

[1, 3, 7, 19, 21, 57, 133, 151, 399, 453, 1057, 2869, 3171, 3677, 8607, 11031, 20083, 25739, 60249, 69863, 77217, 209589, 489041, 555227, 1467123, 1665681, 3886589, 10549313, 11659767, 31647939, 73845191, 221535573]

約数ペア:

[(1, 221535573), (3, 73845191), (7, 31647939), (19, 11659767), (21, 10549313), (57, 3886589), (133, 1665681), (151, 1467123), (399, 555227), (453, 489041), (1057, 209589), (2869, 77217), (3171, 69863), (3677, 60249), (8607, 25739), (11031, 20083)]