221497389

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{457}}^1\times {\mathrm{619}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 340752000

約数和(自身を除く): 119254611

約数列:

[1, 3, 9, 27, 29, 87, 261, 457, 619, 783, 1371, 1857, 4113, 5571, 12339, 13253, 16713, 17951, 39759, 53853, 119277, 161559, 282883, 357831, 484677, 848649, 2545947, 7637841, 8203607, 24610821, 73832463, 221497389]

約数ペア:

[(1, 221497389), (3, 73832463), (9, 24610821), (27, 8203607), (29, 7637841), (87, 2545947), (261, 848649), (457, 484677), (619, 357831), (783, 282883), (1371, 161559), (1857, 119277), (4113, 53853), (5571, 39759), (12339, 17951), (13253, 16713)]