28238895

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7213}}^1$

素因数の和:7256

約数の個数: 32

約数和(自身を含む): 51940800

約数和(自身を除く): 23701905

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 7213, 21639, 36065, 64917, 108195, 194751, 209177, 324585, 627531, 973755, 1045885, 1882593, 3137655, 5647779, 9412965, 28238895]

約数ペア:

[(1, 28238895), (3, 9412965), (5, 5647779), (9, 3137655), (15, 1882593), (27, 1045885), (29, 973755), (45, 627531), (87, 324585), (135, 209177), (145, 194751), (261, 108195), (435, 64917), (783, 36065), (1305, 21639), (3915, 7213)]