219820845

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{4337}}^1$

素因数の和:4485

約数の個数: 32

約数和(自身を含む): 366474240

約数和(自身を除く): 146653395

約数列:

[1, 3, 5, 15, 31, 93, 109, 155, 327, 465, 545, 1635, 3379, 4337, 10137, 13011, 16895, 21685, 50685, 65055, 134447, 403341, 472733, 672235, 1418199, 2016705, 2363665, 7090995, 14654723, 43964169, 73273615, 219820845]

約数ペア:

[(1, 219820845), (3, 73273615), (5, 43964169), (15, 14654723), (31, 7090995), (93, 2363665), (109, 2016705), (155, 1418199), (327, 672235), (465, 472733), (545, 403341), (1635, 134447), (3379, 65055), (4337, 50685), (10137, 21685), (13011, 16895)]