71913315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 124931808

約数和(自身を除く): 53018493

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 289, 313, 795, 867, 901, 939, 1445, 1565, 2703, 4335, 4505, 4695, 5321, 13515, 15317, 15963, 16589, 26605, 45951, 49767, 76585, 79815, 82945, 90457, 229755, 248835, 271371, 282013, 452285, 846039, 1356855, 1410065, 4230195, 4794221, 14382663, 23971105, 71913315]

約数ペア:

[(1, 71913315), (3, 23971105), (5, 14382663), (15, 4794221), (17, 4230195), (51, 1410065), (53, 1356855), (85, 846039), (159, 452285), (255, 282013), (265, 271371), (289, 248835), (313, 229755), (795, 90457), (867, 82945), (901, 79815), (939, 76585), (1445, 49767), (1565, 45951), (2703, 26605), (4335, 16589), (4505, 15963), (4695, 15317), (5321, 13515)]