333490521

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{79}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 576347520

約数和(自身を除く): 242856999

約数列:

[1, 3, 7, 13, 21, 39, 47, 49, 79, 91, 141, 147, 237, 273, 329, 553, 611, 637, 987, 1027, 1659, 1833, 1911, 2209, 2303, 3081, 3713, 3871, 4277, 6627, 6909, 7189, 11139, 11613, 12831, 15463, 21567, 25991, 28717, 29939, 46389, 48269, 50323, 77973, 86151, 89817, 108241, 144807, 150969, 174511, 181937, 201019, 324723, 337883, 523533, 545811, 603057, 1013649, 1221577, 1407133, 2268643, 2365181, 3664731, 4221399, 6805929, 7095543, 8551039, 15880501, 25653117, 47641503, 111163507, 333490521]

約数ペア:

[(1, 333490521), (3, 111163507), (7, 47641503), (13, 25653117), (21, 15880501), (39, 8551039), (47, 7095543), (49, 6805929), (79, 4221399), (91, 3664731), (141, 2365181), (147, 2268643), (237, 1407133), (273, 1221577), (329, 1013649), (553, 603057), (611, 545811), (637, 523533), (987, 337883), (1027, 324723), (1659, 201019), (1833, 181937), (1911, 174511), (2209, 150969), (2303, 144807), (3081, 108241), (3713, 89817), (3871, 86151), (4277, 77973), (6627, 50323), (6909, 48269), (7189, 46389), (11139, 29939), (11613, 28717), (12831, 25991), (15463, 21567)]