23789205

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 48176856

約数和(自身を除く): 24387651

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 121, 153, 165, 187, 255, 257, 363, 495, 561, 605, 765, 771, 935, 1089, 1285, 1683, 1815, 2057, 2313, 2805, 2827, 3855, 4369, 5445, 6171, 8415, 8481, 10285, 11565, 13107, 14135, 18513, 21845, 25443, 30855, 31097, 39321, 42405, 48059, 65535, 92565, 93291, 127215, 144177, 155485, 196605, 240295, 279873, 432531, 466455, 528649, 720885, 1399365, 1585947, 2162655, 2643245, 4757841, 7929735, 23789205]

約数ペア:

[(1, 23789205), (3, 7929735), (5, 4757841), (9, 2643245), (11, 2162655), (15, 1585947), (17, 1399365), (33, 720885), (45, 528649), (51, 466455), (55, 432531), (85, 279873), (99, 240295), (121, 196605), (153, 155485), (165, 144177), (187, 127215), (255, 93291), (257, 92565), (363, 65535), (495, 48059), (561, 42405), (605, 39321), (765, 31097), (771, 30855), (935, 25443), (1089, 21845), (1285, 18513), (1683, 14135), (1815, 13107), (2057, 11565), (2313, 10285), (2805, 8481), (2827, 8415), (3855, 6171), (4369, 5445)]