205127775

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9803}}^1$

素因数の和:9853

約数の個数: 48

約数和(自身を含む): 389022720

約数和(自身を除く): 183894945

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 135, 155, 225, 279, 465, 675, 775, 837, 1395, 2325, 4185, 6975, 9803, 20925, 29409, 49015, 88227, 147045, 245075, 264681, 303893, 441135, 735225, 911679, 1323405, 1519465, 2205675, 2735037, 4558395, 6617025, 7597325, 8205111, 13675185, 22791975, 41025555, 68375925, 205127775]

約数ペア:

[(1, 205127775), (3, 68375925), (5, 41025555), (9, 22791975), (15, 13675185), (25, 8205111), (27, 7597325), (31, 6617025), (45, 4558395), (75, 2735037), (93, 2205675), (135, 1519465), (155, 1323405), (225, 911679), (279, 735225), (465, 441135), (675, 303893), (775, 264681), (837, 245075), (1395, 147045), (2325, 88227), (4185, 49015), (6975, 29409), (9803, 20925)]