28135065

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 53023680

約数和(自身を除く): 24888615

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 101, 105, 147, 245, 303, 379, 505, 707, 735, 1137, 1515, 1895, 2121, 2653, 3535, 4949, 5685, 7959, 10605, 13265, 14847, 18571, 24745, 38279, 39795, 55713, 74235, 92855, 114837, 191395, 267953, 278565, 574185, 803859, 1339765, 1875671, 4019295, 5627013, 9378355, 28135065]

約数ペア:

[(1, 28135065), (3, 9378355), (5, 5627013), (7, 4019295), (15, 1875671), (21, 1339765), (35, 803859), (49, 574185), (101, 278565), (105, 267953), (147, 191395), (245, 114837), (303, 92855), (379, 74235), (505, 55713), (707, 39795), (735, 38279), (1137, 24745), (1515, 18571), (1895, 14847), (2121, 13265), (2653, 10605), (3535, 7959), (4949, 5685)]