13028775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 23331840

約数和(自身を除く): 10303065

約数列:

[1, 3, 5, 15, 19, 25, 41, 57, 75, 95, 123, 205, 223, 285, 475, 615, 669, 779, 1025, 1115, 1425, 2337, 3075, 3345, 3895, 4237, 5575, 9143, 11685, 12711, 16725, 19475, 21185, 27429, 45715, 58425, 63555, 105925, 137145, 173717, 228575, 317775, 521151, 685725, 868585, 2605755, 4342925, 13028775]

約数ペア:

[(1, 13028775), (3, 4342925), (5, 2605755), (15, 868585), (19, 685725), (25, 521151), (41, 317775), (57, 228575), (75, 173717), (95, 137145), (123, 105925), (205, 63555), (223, 58425), (285, 45715), (475, 27429), (615, 21185), (669, 19475), (779, 16725), (1025, 12711), (1115, 11685), (1425, 9143), (2337, 5575), (3075, 4237), (3345, 3895)]