1381930263

素因数分解:

$3^2\times 7^1\times {\mathrm{2111}}^1\times {\mathrm{10391}}^1$

素因数の和:12515

約数の個数: 24

約数和(自身を含む): 2282582016

約数和(自身を除く): 900651753

約数列:

[1, 3, 7, 9, 21, 63, 2111, 6333, 10391, 14777, 18999, 31173, 44331, 72737, 93519, 132993, 218211, 654633, 21935401, 65806203, 153547807, 197418609, 460643421, 1381930263]

約数ペア:

[(1, 1381930263), (3, 460643421), (7, 197418609), (9, 153547807), (21, 65806203), (63, 21935401), (2111, 654633), (6333, 218211), (10391, 132993), (14777, 93519), (18999, 72737), (31173, 44331)]