67777725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 123340320

約数和(自身を除く): 55562595

約数列:

[1, 3, 5, 15, 17, 25, 51, 53, 59, 75, 85, 159, 177, 255, 265, 289, 295, 425, 795, 867, 885, 901, 1003, 1275, 1325, 1445, 1475, 2703, 3009, 3127, 3975, 4335, 4425, 4505, 5015, 7225, 9381, 13515, 15045, 15317, 15635, 17051, 21675, 22525, 25075, 45951, 46905, 51153, 53159, 67575, 75225, 76585, 78175, 85255, 159477, 229755, 234525, 255765, 265795, 382925, 426275, 797385, 903703, 1148775, 1278825, 1328975, 2711109, 3986925, 4518515, 13555545, 22592575, 67777725]

約数ペア:

[(1, 67777725), (3, 22592575), (5, 13555545), (15, 4518515), (17, 3986925), (25, 2711109), (51, 1328975), (53, 1278825), (59, 1148775), (75, 903703), (85, 797385), (159, 426275), (177, 382925), (255, 265795), (265, 255765), (289, 234525), (295, 229755), (425, 159477), (795, 85255), (867, 78175), (885, 76585), (901, 75225), (1003, 67575), (1275, 53159), (1325, 51153), (1445, 46905), (1475, 45951), (2703, 25075), (3009, 22525), (3127, 21675), (3975, 17051), (4335, 15635), (4425, 15317), (4505, 15045), (5015, 13515), (7225, 9381)]