557242575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 1001340672

約数和(自身を除く): 444098097

約数列:

[1, 3, 5, 15, 17, 25, 47, 51, 75, 85, 141, 235, 255, 289, 425, 547, 705, 799, 867, 1175, 1275, 1445, 1641, 2397, 2735, 3525, 3995, 4335, 7225, 8205, 9299, 11985, 13583, 13675, 19975, 21675, 25709, 27897, 40749, 41025, 46495, 59925, 67915, 77127, 128545, 139485, 158083, 203745, 232475, 339575, 385635, 437053, 474249, 642725, 697425, 790415, 1018725, 1311159, 1928175, 2185265, 2371245, 3952075, 6555795, 7429901, 10926325, 11856225, 22289703, 32778975, 37149505, 111448515, 185747525, 557242575]

約数ペア:

[(1, 557242575), (3, 185747525), (5, 111448515), (15, 37149505), (17, 32778975), (25, 22289703), (47, 11856225), (51, 10926325), (75, 7429901), (85, 6555795), (141, 3952075), (235, 2371245), (255, 2185265), (289, 1928175), (425, 1311159), (547, 1018725), (705, 790415), (799, 697425), (867, 642725), (1175, 474249), (1275, 437053), (1445, 385635), (1641, 339575), (2397, 232475), (2735, 203745), (3525, 158083), (3995, 139485), (4335, 128545), (7225, 77127), (8205, 67915), (9299, 59925), (11985, 46495), (13583, 41025), (13675, 40749), (19975, 27897), (21675, 25709)]