28669725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 59579520

約数和(自身を除く): 30909795

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 109, 167, 175, 225, 315, 327, 501, 525, 545, 763, 835, 981, 1169, 1503, 1575, 1635, 2289, 2505, 2725, 3507, 3815, 4175, 4905, 5845, 6867, 7515, 8175, 10521, 11445, 12525, 17535, 18203, 19075, 24525, 29225, 34335, 37575, 52605, 54609, 57225, 87675, 91015, 127421, 163827, 171675, 263025, 273045, 382263, 455075, 637105, 819135, 1146789, 1365225, 1911315, 3185525, 4095675, 5733945, 9556575, 28669725]

約数ペア:

[(1, 28669725), (3, 9556575), (5, 5733945), (7, 4095675), (9, 3185525), (15, 1911315), (21, 1365225), (25, 1146789), (35, 819135), (45, 637105), (63, 455075), (75, 382263), (105, 273045), (109, 263025), (167, 171675), (175, 163827), (225, 127421), (315, 91015), (327, 87675), (501, 57225), (525, 54609), (545, 52605), (763, 37575), (835, 34335), (981, 29225), (1169, 24525), (1503, 19075), (1575, 18203), (1635, 17535), (2289, 12525), (2505, 11445), (2725, 10521), (3507, 8175), (3815, 7515), (4175, 6867), (4905, 5845)]