291107481

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2969}}^1$

素因数の和:3038

約数の個数: 48

約数和(自身を含む): 487555200

約数和(自身を除く): 196447719

約数列:

[1, 3, 7, 21, 23, 29, 49, 69, 87, 147, 161, 203, 483, 609, 667, 1127, 1421, 2001, 2969, 3381, 4263, 4669, 8907, 14007, 20783, 32683, 62349, 68287, 86101, 98049, 145481, 204861, 258303, 436443, 478009, 602707, 1434027, 1808121, 1980323, 3346063, 4218949, 5940969, 10038189, 12656847, 13862261, 41586783, 97035827, 291107481]

約数ペア:

[(1, 291107481), (3, 97035827), (7, 41586783), (21, 13862261), (23, 12656847), (29, 10038189), (49, 5940969), (69, 4218949), (87, 3346063), (147, 1980323), (161, 1808121), (203, 1434027), (483, 602707), (609, 478009), (667, 436443), (1127, 258303), (1421, 204861), (2001, 145481), (2969, 98049), (3381, 86101), (4263, 68287), (4669, 62349), (8907, 32683), (14007, 20783)]