28135305

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 25643511

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 113, 165, 339, 495, 503, 565, 1017, 1243, 1509, 1695, 2515, 3729, 4527, 5085, 5533, 6215, 7545, 11187, 16599, 18645, 22635, 27665, 49797, 55935, 56839, 82995, 170517, 248985, 284195, 511551, 625229, 852585, 1875687, 2557755, 3126145, 5627061, 9378435, 28135305]

約数ペア:

[(1, 28135305), (3, 9378435), (5, 5627061), (9, 3126145), (11, 2557755), (15, 1875687), (33, 852585), (45, 625229), (55, 511551), (99, 284195), (113, 248985), (165, 170517), (339, 82995), (495, 56839), (503, 55935), (565, 49797), (1017, 27665), (1243, 22635), (1509, 18645), (1695, 16599), (2515, 11187), (3729, 7545), (4527, 6215), (5085, 5533)]