421444605

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{27901}}^1$

素因数の和:27981

約数の個数: 32

約数和(自身を含む): 723219840

約数和(自身を除く): 301775235

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 3021, 5035, 15105, 27901, 83703, 139505, 418515, 530119, 1478753, 1590357, 2650595, 4436259, 7393765, 7951785, 22181295, 28096307, 84288921, 140481535, 421444605]

約数ペア:

[(1, 421444605), (3, 140481535), (5, 84288921), (15, 28096307), (19, 22181295), (53, 7951785), (57, 7393765), (95, 4436259), (159, 2650595), (265, 1590357), (285, 1478753), (795, 530119), (1007, 418515), (3021, 139505), (5035, 83703), (15105, 27901)]