1987696221

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{466267}}^1$

素因数の和:466313

約数の個数: 24

約数和(自身を含む): 3189273120

約数和(自身を除く): 1201576899

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 466267, 1398801, 3263869, 9791607, 13521743, 22847083, 40565229, 68541249, 94652201, 283956603, 662565407, 1987696221]

約数ペア:

[(1, 1987696221), (3, 662565407), (7, 283956603), (21, 94652201), (29, 68541249), (49, 40565229), (87, 22847083), (147, 13521743), (203, 9791607), (609, 3263869), (1421, 1398801), (4263, 466267)]