240639009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 382018560

約数和(自身を除く): 141379551

約数列:

[1, 3, 13, 19, 37, 39, 57, 67, 111, 131, 201, 247, 393, 481, 703, 741, 871, 1273, 1443, 1703, 2109, 2479, 2489, 2613, 3819, 4847, 5109, 7437, 7467, 8777, 9139, 14541, 16549, 26331, 27417, 32227, 32357, 47101, 49647, 63011, 92093, 96681, 97071, 114101, 141303, 166763, 189033, 276279, 324749, 342303, 500289, 612313, 974247, 1197209, 1836939, 2167919, 3591627, 4221737, 6170231, 6503757, 12665211, 18510693, 80213003, 240639009]

約数ペア:

[(1, 240639009), (3, 80213003), (13, 18510693), (19, 12665211), (37, 6503757), (39, 6170231), (57, 4221737), (67, 3591627), (111, 2167919), (131, 1836939), (201, 1197209), (247, 974247), (393, 612313), (481, 500289), (703, 342303), (741, 324749), (871, 276279), (1273, 189033), (1443, 166763), (1703, 141303), (2109, 114101), (2479, 97071), (2489, 96681), (2613, 92093), (3819, 63011), (4847, 49647), (5109, 47101), (7437, 32357), (7467, 32227), (8777, 27417), (9139, 26331), (14541, 16549)]