28264719

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4091}}^1$

素因数の和:4155

約数の個数: 24

約数和(自身を含む): 44782848

約数和(自身を除く): 16518129

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 4091, 6909, 12273, 28637, 85911, 192277, 200459, 576831, 601377, 1345939, 4037817, 9421573, 28264719]

約数ペア:

[(1, 28264719), (3, 9421573), (7, 4037817), (21, 1345939), (47, 601377), (49, 576831), (141, 200459), (147, 192277), (329, 85911), (987, 28637), (2303, 12273), (4091, 6909)]