213886425

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^2\times {\mathrm{1291}}^1$

素因数の和:1398

約数の個数: 36

約数和(自身を含む): 361589456

約数和(自身を除く): 147703031

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 1291, 2209, 3525, 3873, 6455, 6627, 11045, 19365, 32275, 33135, 55225, 60677, 96825, 165675, 182031, 303385, 910155, 1516925, 2851819, 4550775, 8555457, 14259095, 42777285, 71295475, 213886425]

約数ペア:

[(1, 213886425), (3, 71295475), (5, 42777285), (15, 14259095), (25, 8555457), (47, 4550775), (75, 2851819), (141, 1516925), (235, 910155), (705, 303385), (1175, 182031), (1291, 165675), (2209, 96825), (3525, 60677), (3873, 55225), (6455, 33135), (6627, 32275), (11045, 19365)]