61890075

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2351}}^1$

素因数の和:2386

約数の個数: 60

約数和(自身を含む): 123512928

約数和(自身を除く): 61622853

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 585, 675, 975, 1053, 1755, 2025, 2351, 2925, 5265, 7053, 8775, 11755, 21159, 26325, 30563, 35265, 58775, 63477, 91689, 105795, 152815, 176325, 190431, 275067, 317385, 458445, 528975, 764075, 825201, 952155, 1375335, 1586925, 2292225, 2475603, 4126005, 4760775, 6876675, 12378015, 20630025, 61890075]

約数ペア:

[(1, 61890075), (3, 20630025), (5, 12378015), (9, 6876675), (13, 4760775), (15, 4126005), (25, 2475603), (27, 2292225), (39, 1586925), (45, 1375335), (65, 952155), (75, 825201), (81, 764075), (117, 528975), (135, 458445), (195, 317385), (225, 275067), (325, 190431), (351, 176325), (405, 152815), (585, 105795), (675, 91689), (975, 63477), (1053, 58775), (1755, 35265), (2025, 30563), (2351, 26325), (2925, 21159), (5265, 11755), (7053, 8775)]