816075

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:66

約数の個数: 60

約数和(自身を含む): 1680448

約数和(自身を除く): 864373

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 31, 39, 45, 65, 75, 81, 93, 117, 135, 155, 195, 225, 279, 325, 351, 403, 405, 465, 585, 675, 775, 837, 975, 1053, 1209, 1395, 1755, 2015, 2025, 2325, 2511, 2925, 3627, 4185, 5265, 6045, 6975, 8775, 10075, 10881, 12555, 18135, 20925, 26325, 30225, 32643, 54405, 62775, 90675, 163215, 272025, 816075]

約数ペア:

[(1, 816075), (3, 272025), (5, 163215), (9, 90675), (13, 62775), (15, 54405), (25, 32643), (27, 30225), (31, 26325), (39, 20925), (45, 18135), (65, 12555), (75, 10881), (81, 10075), (93, 8775), (117, 6975), (135, 6045), (155, 5265), (195, 4185), (225, 3627), (279, 2925), (325, 2511), (351, 2325), (403, 2025), (405, 2015), (465, 1755), (585, 1395), (675, 1209), (775, 1053), (837, 975)]