291220695

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7247}}^1$

素因数の和:7324

約数の個数: 48

約数和(自身を含む): 542730240

約数和(自身を除く): 251509545

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 705, 855, 893, 2115, 2679, 4465, 7247, 8037, 13395, 21741, 36235, 40185, 65223, 108705, 137693, 326115, 340609, 413079, 688465, 1021827, 1239237, 1703045, 2065395, 3065481, 5109135, 6196185, 6471571, 15327405, 19414713, 32357855, 58244139, 97073565, 291220695]

約数ペア:

[(1, 291220695), (3, 97073565), (5, 58244139), (9, 32357855), (15, 19414713), (19, 15327405), (45, 6471571), (47, 6196185), (57, 5109135), (95, 3065481), (141, 2065395), (171, 1703045), (235, 1239237), (285, 1021827), (423, 688465), (705, 413079), (855, 340609), (893, 326115), (2115, 137693), (2679, 108705), (4465, 65223), (7247, 40185), (8037, 36235), (13395, 21741)]