28251015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6299}}^1$

素因数の和:6343

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 22552185

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 6299, 18897, 31495, 81887, 94485, 144877, 245661, 409435, 434631, 724385, 1228305, 1883401, 2173155, 5650203, 9417005, 28251015]

約数ペア:

[(1, 28251015), (3, 9417005), (5, 5650203), (13, 2173155), (15, 1883401), (23, 1228305), (39, 724385), (65, 434631), (69, 409435), (115, 245661), (195, 144877), (299, 94485), (345, 81887), (897, 31495), (1495, 18897), (4485, 6299)]