280109823

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 447418080

約数和(自身を除く): 167308257

約数列:

[1, 3, 7, 21, 49, 53, 147, 157, 159, 229, 371, 471, 687, 1099, 1113, 1603, 2597, 3297, 4809, 7693, 7791, 8321, 11221, 12137, 23079, 24963, 33663, 35953, 36411, 58247, 84959, 107859, 174741, 251671, 254877, 407729, 594713, 755013, 1223187, 1761697, 1784139, 1905509, 5285091, 5716527, 13338563, 40015689, 93369941, 280109823]

約数ペア:

[(1, 280109823), (3, 93369941), (7, 40015689), (21, 13338563), (49, 5716527), (53, 5285091), (147, 1905509), (157, 1784139), (159, 1761697), (229, 1223187), (371, 755013), (471, 594713), (687, 407729), (1099, 254877), (1113, 251671), (1603, 174741), (2597, 107859), (3297, 84959), (4809, 58247), (7693, 36411), (7791, 35953), (8321, 33663), (11221, 24963), (12137, 23079)]