203313789

素因数分解:

$3^2\times 7^2\times {\mathrm{349}}^1\times {\mathrm{1321}}^1$

素因数の和:1690

約数の個数: 36

約数和(自身を含む): 342860700

約数和(自身を除く): 139546911

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 349, 441, 1047, 1321, 2443, 3141, 3963, 7329, 9247, 11889, 17101, 21987, 27741, 51303, 64729, 83223, 153909, 194187, 461029, 582561, 1383087, 3227203, 4149261, 9681609, 22590421, 29044827, 67771263, 203313789]

約数ペア:

[(1, 203313789), (3, 67771263), (7, 29044827), (9, 22590421), (21, 9681609), (49, 4149261), (63, 3227203), (147, 1383087), (349, 582561), (441, 461029), (1047, 194187), (1321, 153909), (2443, 83223), (3141, 64729), (3963, 51303), (7329, 27741), (9247, 21987), (11889, 17101)]