697245

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 32

約数和(自身を含む): 1216512

約数和(自身を除く): 519267

約数列:

[1, 3, 5, 15, 23, 43, 47, 69, 115, 129, 141, 215, 235, 345, 645, 705, 989, 1081, 2021, 2967, 3243, 4945, 5405, 6063, 10105, 14835, 16215, 30315, 46483, 139449, 232415, 697245]

約数ペア:

[(1, 697245), (3, 232415), (5, 139449), (15, 46483), (23, 30315), (43, 16215), (47, 14835), (69, 10105), (115, 6063), (129, 5405), (141, 4945), (215, 3243), (235, 2967), (345, 2021), (645, 1081), (705, 989)]