72153185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 103977216

約数和(自身を除く): 31824031

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 167, 221, 289, 299, 391, 835, 1105, 1445, 1495, 1955, 2171, 2839, 3757, 3841, 5083, 6647, 10855, 14195, 18785, 19205, 25415, 33235, 36907, 48263, 49933, 65297, 86411, 184535, 241315, 249665, 326485, 432055, 627419, 848861, 1110049, 3137095, 4244305, 5550245, 14430637, 72153185]

約数ペア:

[(1, 72153185), (5, 14430637), (13, 5550245), (17, 4244305), (23, 3137095), (65, 1110049), (85, 848861), (115, 627419), (167, 432055), (221, 326485), (289, 249665), (299, 241315), (391, 184535), (835, 86411), (1105, 65297), (1445, 49933), (1495, 48263), (1955, 36907), (2171, 33235), (2839, 25415), (3757, 19205), (3841, 18785), (5083, 14195), (6647, 10855)]