864675

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{61}}^1$

素因数の和:90

約数の個数: 60

約数和(自身を含む): 1860496

約数和(自身を除く): 995821

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 61, 63, 75, 81, 105, 135, 175, 183, 189, 225, 305, 315, 405, 427, 525, 549, 567, 675, 915, 945, 1281, 1525, 1575, 1647, 2025, 2135, 2745, 2835, 3843, 4575, 4725, 4941, 6405, 8235, 10675, 11529, 13725, 14175, 19215, 24705, 32025, 34587, 41175, 57645, 96075, 123525, 172935, 288225, 864675]

約数ペア:

[(1, 864675), (3, 288225), (5, 172935), (7, 123525), (9, 96075), (15, 57645), (21, 41175), (25, 34587), (27, 32025), (35, 24705), (45, 19215), (61, 14175), (63, 13725), (75, 11529), (81, 10675), (105, 8235), (135, 6405), (175, 4941), (183, 4725), (189, 4575), (225, 3843), (305, 2835), (315, 2745), (405, 2135), (427, 2025), (525, 1647), (549, 1575), (567, 1525), (675, 1281), (915, 945)]