215540633

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 276291840

約数和(自身を除く): 60751207

約数列:

[1, 7, 11, 61, 77, 109, 421, 427, 671, 763, 1199, 2947, 4631, 4697, 6649, 8393, 25681, 32417, 45889, 46543, 73139, 179767, 282491, 321223, 504779, 511973, 1977437, 2799229, 3533453, 19594603, 30791519, 215540633]

約数ペア:

[(1, 215540633), (7, 30791519), (11, 19594603), (61, 3533453), (77, 2799229), (109, 1977437), (421, 511973), (427, 504779), (671, 321223), (763, 282491), (1199, 179767), (2947, 73139), (4631, 46543), (4697, 45889), (6649, 32417), (8393, 25681)]