520678431

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37397}}^1$

素因数の和:37440

約数の個数: 48

約数和(自身を含む): 980126784

約数和(自身を除く): 459448353

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 4641, 13923, 37397, 112191, 261779, 336573, 486161, 635749, 785337, 1458483, 1907247, 2356011, 3403127, 4375449, 4450243, 5721741, 8264737, 10209381, 13350729, 24794211, 30628143, 40052187, 57853159, 74382633, 173559477, 520678431]

約数ペア:

[(1, 520678431), (3, 173559477), (7, 74382633), (9, 57853159), (13, 40052187), (17, 30628143), (21, 24794211), (39, 13350729), (51, 10209381), (63, 8264737), (91, 5721741), (117, 4450243), (119, 4375449), (153, 3403127), (221, 2356011), (273, 1907247), (357, 1458483), (663, 785337), (819, 635749), (1071, 486161), (1547, 336573), (1989, 261779), (4641, 112191), (13923, 37397)]