211278915

素因数分解:

$3^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4937}}^1$

素因数の和:5268

約数の個数: 32

約数和(自身を含む): 376868160

約数和(自身を除く): 165589245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 317, 951, 1585, 2853, 4755, 4937, 8559, 14265, 14811, 24685, 42795, 44433, 74055, 133299, 222165, 666495, 1565029, 4695087, 7825145, 14085261, 23475435, 42255783, 70426305, 211278915]

約数ペア:

[(1, 211278915), (3, 70426305), (5, 42255783), (9, 23475435), (15, 14085261), (27, 7825145), (45, 4695087), (135, 1565029), (317, 666495), (951, 222165), (1585, 133299), (2853, 74055), (4755, 44433), (4937, 42795), (8559, 24685), (14265, 14811)]