253165725

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 469827072

約数和(自身を除く): 216661347

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 137, 191, 215, 225, 387, 411, 573, 645, 685, 955, 1075, 1233, 1719, 1935, 2055, 2865, 3225, 3425, 4775, 5891, 6165, 8213, 8595, 9675, 10275, 14325, 17673, 24639, 26167, 29455, 30825, 41065, 42975, 53019, 73917, 78501, 88365, 123195, 130835, 147275, 205325, 235503, 265095, 369585, 392505, 441825, 615975, 654175, 1125181, 1177515, 1325475, 1847925, 1962525, 3375543, 5625905, 5887575, 10126629, 16877715, 28129525, 50633145, 84388575, 253165725]

約数ペア:

[(1, 253165725), (3, 84388575), (5, 50633145), (9, 28129525), (15, 16877715), (25, 10126629), (43, 5887575), (45, 5625905), (75, 3375543), (129, 1962525), (137, 1847925), (191, 1325475), (215, 1177515), (225, 1125181), (387, 654175), (411, 615975), (573, 441825), (645, 392505), (685, 369585), (955, 265095), (1075, 235503), (1233, 205325), (1719, 147275), (1935, 130835), (2055, 123195), (2865, 88365), (3225, 78501), (3425, 73917), (4775, 53019), (5891, 42975), (6165, 41065), (8213, 30825), (8595, 29455), (9675, 26167), (10275, 24639), (14325, 17673)]