218291265

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{3559}}^1$

素因数の和:3646

約数の個数: 48

約数和(自身を含む): 399859200

約数和(自身を除く): 181567935

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 235, 261, 423, 435, 705, 1305, 1363, 2115, 3559, 4089, 6815, 10677, 12267, 17795, 20445, 32031, 53385, 61335, 103211, 160155, 167273, 309633, 501819, 516055, 836365, 928899, 1505457, 1548165, 2509095, 4644495, 4850917, 7527285, 14552751, 24254585, 43658253, 72763755, 218291265]

約数ペア:

[(1, 218291265), (3, 72763755), (5, 43658253), (9, 24254585), (15, 14552751), (29, 7527285), (45, 4850917), (47, 4644495), (87, 2509095), (141, 1548165), (145, 1505457), (235, 928899), (261, 836365), (423, 516055), (435, 501819), (705, 309633), (1305, 167273), (1363, 160155), (2115, 103211), (3559, 61335), (4089, 53385), (6815, 32031), (10677, 20445), (12267, 17795)]