201515345

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 260997120

約数和(自身を除く): 59481775

約数列:

[1, 5, 29, 31, 127, 145, 155, 353, 635, 899, 1765, 3683, 3937, 4495, 10237, 10943, 18415, 19685, 44831, 51185, 54715, 114173, 224155, 317347, 570865, 1300099, 1389761, 1586735, 6500495, 6948805, 40303069, 201515345]

約数ペア:

[(1, 201515345), (5, 40303069), (29, 6948805), (31, 6500495), (127, 1586735), (145, 1389761), (155, 1300099), (353, 570865), (635, 317347), (899, 224155), (1765, 114173), (3683, 54715), (3937, 51185), (4495, 44831), (10237, 19685), (10943, 18415)]