214641903

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^2\times {\mathrm{661}}^1$

素因数の和:772

約数の個数: 36

約数和(自身を含む): 340662552

約数和(自身を除く): 126020649

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 661, 987, 1983, 2209, 2303, 4627, 6627, 6909, 13881, 15463, 31067, 32389, 46389, 93201, 97167, 108241, 217469, 324723, 652407, 1460149, 1522283, 4380447, 4566849, 10221043, 30663129, 71547301, 214641903]

約数ペア:

[(1, 214641903), (3, 71547301), (7, 30663129), (21, 10221043), (47, 4566849), (49, 4380447), (141, 1522283), (147, 1460149), (329, 652407), (661, 324723), (987, 217469), (1983, 108241), (2209, 97167), (2303, 93201), (4627, 46389), (6627, 32389), (6909, 31067), (13881, 15463)]