68621445

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:927

約数の個数: 64

約数和(自身を含む): 132710400

約数和(自身を除く): 64088955

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 57, 93, 95, 135, 155, 171, 279, 285, 465, 513, 589, 837, 855, 863, 1395, 1767, 2565, 2589, 2945, 4185, 4315, 5301, 7767, 8835, 12945, 15903, 16397, 23301, 26505, 26753, 38835, 49191, 79515, 80259, 81985, 116505, 133765, 147573, 240777, 245955, 401295, 442719, 508307, 722331, 737865, 1203885, 1524921, 2213595, 2541535, 3611655, 4574763, 7624605, 13724289, 22873815, 68621445]

約数ペア:

[(1, 68621445), (3, 22873815), (5, 13724289), (9, 7624605), (15, 4574763), (19, 3611655), (27, 2541535), (31, 2213595), (45, 1524921), (57, 1203885), (93, 737865), (95, 722331), (135, 508307), (155, 442719), (171, 401295), (279, 245955), (285, 240777), (465, 147573), (513, 133765), (589, 116505), (837, 81985), (855, 80259), (863, 79515), (1395, 49191), (1767, 38835), (2565, 26753), (2589, 26505), (2945, 23301), (4185, 16397), (4315, 15903), (5301, 12945), (7767, 8835)]