28512405

素因数分解:

$3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 52975104

約数和(自身を除く): 24462699

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 243, 279, 405, 465, 757, 837, 1215, 1395, 2271, 2511, 3785, 4185, 6813, 7533, 11355, 12555, 20439, 23467, 34065, 37665, 61317, 70401, 102195, 117335, 183951, 211203, 306585, 352005, 633609, 919755, 1056015, 1900827, 3168045, 5702481, 9504135, 28512405]

約数ペア:

[(1, 28512405), (3, 9504135), (5, 5702481), (9, 3168045), (15, 1900827), (27, 1056015), (31, 919755), (45, 633609), (81, 352005), (93, 306585), (135, 211203), (155, 183951), (243, 117335), (279, 102195), (405, 70401), (465, 61317), (757, 37665), (837, 34065), (1215, 23467), (1395, 20439), (2271, 12555), (2511, 11355), (3785, 7533), (4185, 6813)]