1901475

素因数分解:

$3^5\times 5^2\times {\mathrm{313}}^1$

素因数の和:338

約数の個数: 36

約数和(自身を含む): 3543176

約数和(自身を除く): 1641701

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 313, 405, 675, 939, 1215, 1565, 2025, 2817, 4695, 6075, 7825, 8451, 14085, 23475, 25353, 42255, 70425, 76059, 126765, 211275, 380295, 633825, 1901475]

約数ペア:

[(1, 1901475), (3, 633825), (5, 380295), (9, 211275), (15, 126765), (25, 76059), (27, 70425), (45, 42255), (75, 25353), (81, 23475), (135, 14085), (225, 8451), (243, 7825), (313, 6075), (405, 4695), (675, 2817), (939, 2025), (1215, 1565)]