15851505

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 26210304

約数和(自身を除く): 10358799

約数列:

[1, 3, 5, 15, 53, 127, 157, 159, 265, 381, 471, 635, 785, 795, 1905, 2355, 6731, 8321, 19939, 20193, 24963, 33655, 41605, 59817, 99695, 100965, 124815, 299085, 1056767, 3170301, 5283835, 15851505]

約数ペア:

[(1, 15851505), (3, 5283835), (5, 3170301), (15, 1056767), (53, 299085), (127, 124815), (157, 100965), (159, 99695), (265, 59817), (381, 41605), (471, 33655), (635, 24963), (785, 20193), (795, 19939), (1905, 8321), (2355, 6731)]