290445975

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41641}}^1$

素因数の和:41688

約数の個数: 36

約数和(自身を含む): 537015232

約数和(自身を除く): 246569257

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 6975, 41641, 124923, 208205, 374769, 624615, 1041025, 1290871, 1873845, 3123075, 3872613, 6454355, 9369225, 11617839, 19363065, 32271775, 58089195, 96815325, 290445975]

約数ペア:

[(1, 290445975), (3, 96815325), (5, 58089195), (9, 32271775), (15, 19363065), (25, 11617839), (31, 9369225), (45, 6454355), (75, 3872613), (93, 3123075), (155, 1873845), (225, 1290871), (279, 1041025), (465, 624615), (775, 374769), (1395, 208205), (2325, 124923), (6975, 41641)]