1111725

素因数分解:

$3^6\times 5^2\times {\mathrm{61}}^1$

素因数の和:89

約数の個数: 42

約数和(自身を含む): 2100746

約数和(自身を除く): 989021

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 81, 135, 183, 225, 243, 305, 405, 549, 675, 729, 915, 1215, 1525, 1647, 2025, 2745, 3645, 4575, 4941, 6075, 8235, 13725, 14823, 18225, 24705, 41175, 44469, 74115, 123525, 222345, 370575, 1111725]

約数ペア:

[(1, 1111725), (3, 370575), (5, 222345), (9, 123525), (15, 74115), (25, 44469), (27, 41175), (45, 24705), (61, 18225), (75, 14823), (81, 13725), (135, 8235), (183, 6075), (225, 4941), (243, 4575), (305, 3645), (405, 2745), (549, 2025), (675, 1647), (729, 1525), (915, 1215)]