200021535

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{211663}}^1$

素因数の和:211684

約数の個数: 32

約数和(自身を含む): 406394880

約数和(自身を除く): 206373345

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 211663, 634989, 1058315, 1481641, 1904967, 3174945, 4444923, 5714901, 7408205, 9524835, 13334769, 22224615, 28574505, 40004307, 66673845, 200021535]

約数ペア:

[(1, 200021535), (3, 66673845), (5, 40004307), (7, 28574505), (9, 22224615), (15, 13334769), (21, 9524835), (27, 7408205), (35, 5714901), (45, 4444923), (63, 3174945), (105, 1904967), (135, 1481641), (189, 1058315), (315, 634989), (945, 211663)]