1908075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 3610880

約数和(自身を除く): 1702805

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 103, 195, 247, 285, 309, 325, 475, 515, 741, 975, 1235, 1339, 1425, 1545, 1957, 2575, 3705, 4017, 5871, 6175, 6695, 7725, 9785, 18525, 20085, 25441, 29355, 33475, 48925, 76323, 100425, 127205, 146775, 381615, 636025, 1908075]

約数ペア:

[(1, 1908075), (3, 636025), (5, 381615), (13, 146775), (15, 127205), (19, 100425), (25, 76323), (39, 48925), (57, 33475), (65, 29355), (75, 25441), (95, 20085), (103, 18525), (195, 9785), (247, 7725), (285, 6695), (309, 6175), (325, 5871), (475, 4017), (515, 3705), (741, 2575), (975, 1957), (1235, 1545), (1339, 1425)]