215025

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 24

約数和(自身を含む): 369024

約数和(自身を除く): 153999

約数列:

[1, 3, 5, 15, 25, 47, 61, 75, 141, 183, 235, 305, 705, 915, 1175, 1525, 2867, 3525, 4575, 8601, 14335, 43005, 71675, 215025]

約数ペア:

[(1, 215025), (3, 71675), (5, 43005), (15, 14335), (25, 8601), (47, 4575), (61, 3525), (75, 2867), (141, 1525), (183, 1175), (235, 915), (305, 705)]