55325475

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 104941200

約数和(自身を除く): 49615725

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 61, 75, 87, 139, 145, 183, 225, 261, 305, 417, 435, 549, 695, 725, 915, 1251, 1305, 1525, 1769, 2085, 2175, 2745, 3475, 4031, 4575, 5307, 6255, 6525, 8479, 8845, 10425, 12093, 13725, 15921, 20155, 25437, 26535, 31275, 36279, 42395, 44225, 60465, 76311, 79605, 100775, 127185, 132675, 181395, 211975, 245891, 302325, 381555, 398025, 635925, 737673, 906975, 1229455, 1907775, 2213019, 3688365, 6147275, 11065095, 18441825, 55325475]

約数ペア:

[(1, 55325475), (3, 18441825), (5, 11065095), (9, 6147275), (15, 3688365), (25, 2213019), (29, 1907775), (45, 1229455), (61, 906975), (75, 737673), (87, 635925), (139, 398025), (145, 381555), (183, 302325), (225, 245891), (261, 211975), (305, 181395), (417, 132675), (435, 127185), (549, 100775), (695, 79605), (725, 76311), (915, 60465), (1251, 44225), (1305, 42395), (1525, 36279), (1769, 31275), (2085, 26535), (2175, 25437), (2745, 20155), (3475, 15921), (4031, 13725), (4575, 12093), (5307, 10425), (6255, 8845), (6525, 8479)]