661567665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{1039}}^1$

素因数の和:1302

約数の個数: 64

約数和(自身を含む): 1229230080

約数和(自身を除く): 567662415

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 227, 255, 561, 681, 935, 1039, 1135, 2497, 2805, 3117, 3405, 3859, 5195, 7491, 11429, 11577, 12485, 15585, 17663, 19295, 34287, 37455, 42449, 52989, 57145, 57885, 88315, 127347, 171435, 194293, 212245, 235853, 264945, 582879, 636735, 707559, 971465, 1179265, 2594383, 2914395, 3537795, 4009501, 7783149, 12028503, 12971915, 20047505, 38915745, 44104511, 60142515, 132313533, 220522555, 661567665]

約数ペア:

[(1, 661567665), (3, 220522555), (5, 132313533), (11, 60142515), (15, 44104511), (17, 38915745), (33, 20047505), (51, 12971915), (55, 12028503), (85, 7783149), (165, 4009501), (187, 3537795), (227, 2914395), (255, 2594383), (561, 1179265), (681, 971465), (935, 707559), (1039, 636735), (1135, 582879), (2497, 264945), (2805, 235853), (3117, 212245), (3405, 194293), (3859, 171435), (5195, 127347), (7491, 88315), (11429, 57885), (11577, 57145), (12485, 52989), (15585, 42449), (17663, 37455), (19295, 34287)]