1228542945

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{87973}}^1$

素因数の和:88014

約数の個数: 48

約数和(自身を含む): 2406968640

約数和(自身を除く): 1178425695

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 87973, 263919, 439865, 615811, 1319595, 1671487, 1847433, 3079055, 4310677, 5014461, 8357435, 9237165, 11700409, 12932031, 21553385, 25072305, 35101227, 58502045, 64660155, 81902863, 175506135, 245708589, 409514315, 1228542945]

約数ペア:

[(1, 1228542945), (3, 409514315), (5, 245708589), (7, 175506135), (15, 81902863), (19, 64660155), (21, 58502045), (35, 35101227), (49, 25072305), (57, 21553385), (95, 12932031), (105, 11700409), (133, 9237165), (147, 8357435), (245, 5014461), (285, 4310677), (399, 3079055), (665, 1847433), (735, 1671487), (931, 1319595), (1995, 615811), (2793, 439865), (4655, 263919), (13965, 87973)]