31161105

素因数分解:

$3^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 56

約数和(自身を含む): 57290688

約数和(自身を除く): 26129583

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 103, 135, 243, 249, 309, 405, 415, 515, 729, 747, 927, 1215, 1245, 1545, 2241, 2781, 3645, 3735, 4635, 6723, 8343, 8549, 11205, 13905, 20169, 25029, 25647, 33615, 41715, 42745, 60507, 75087, 76941, 100845, 125145, 128235, 230823, 302535, 375435, 384705, 692469, 1154115, 2077407, 3462345, 6232221, 10387035, 31161105]

約数ペア:

[(1, 31161105), (3, 10387035), (5, 6232221), (9, 3462345), (15, 2077407), (27, 1154115), (45, 692469), (81, 384705), (83, 375435), (103, 302535), (135, 230823), (243, 128235), (249, 125145), (309, 100845), (405, 76941), (415, 75087), (515, 60507), (729, 42745), (747, 41715), (927, 33615), (1215, 25647), (1245, 25029), (1545, 20169), (2241, 13905), (2781, 11205), (3645, 8549), (3735, 8343), (4635, 6723)]