15480315

素因数分解:

$3^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 56

約数和(自身を含む): 28960128

約数和(自身を除く): 13479813

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 137, 155, 243, 279, 405, 411, 465, 685, 729, 837, 1215, 1233, 1395, 2055, 2511, 3645, 3699, 4185, 4247, 6165, 7533, 11097, 12555, 12741, 18495, 21235, 22599, 33291, 37665, 38223, 55485, 63705, 99873, 112995, 114669, 166455, 191115, 344007, 499365, 573345, 1032021, 1720035, 3096063, 5160105, 15480315]

約数ペア:

[(1, 15480315), (3, 5160105), (5, 3096063), (9, 1720035), (15, 1032021), (27, 573345), (31, 499365), (45, 344007), (81, 191115), (93, 166455), (135, 114669), (137, 112995), (155, 99873), (243, 63705), (279, 55485), (405, 38223), (411, 37665), (465, 33291), (685, 22599), (729, 21235), (837, 18495), (1215, 12741), (1233, 12555), (1395, 11097), (2055, 7533), (2511, 6165), (3645, 4247), (3699, 4185)]