128908156725

素因数分解:

$3^4\times 5^2\times {\mathrm{401}}^1\times {\mathrm{158749}}^1$

素因数の和:159172

約数の個数: 60

約数和(自身を含む): 239379442500

約数和(自身を除く): 110471285775

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 401, 405, 675, 1203, 2005, 2025, 3609, 6015, 10025, 10827, 18045, 30075, 32481, 54135, 90225, 158749, 162405, 270675, 476247, 793745, 812025, 1428741, 2381235, 3968725, 4286223, 7143705, 11906175, 12858669, 21431115, 35718525, 63658349, 64293345, 107155575, 190975047, 318291745, 321466725, 572925141, 954875235, 1591458725, 1718775423, 2864625705, 4774376175, 5156326269, 8593877115, 14323128525, 25781631345, 42969385575, 128908156725]

約数ペア:

[(1, 128908156725), (3, 42969385575), (5, 25781631345), (9, 14323128525), (15, 8593877115), (25, 5156326269), (27, 4774376175), (45, 2864625705), (75, 1718775423), (81, 1591458725), (135, 954875235), (225, 572925141), (401, 321466725), (405, 318291745), (675, 190975047), (1203, 107155575), (2005, 64293345), (2025, 63658349), (3609, 35718525), (6015, 21431115), (10025, 12858669), (10827, 11906175), (18045, 7143705), (30075, 4286223), (32481, 3968725), (54135, 2381235), (90225, 1428741), (158749, 812025), (162405, 793745), (270675, 476247)]