69969705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21107}}^1$

素因数の和:21145

約数の個数: 32

約数和(自身を含む): 127661184

約数和(自身を除く): 57691479

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 21107, 63321, 105535, 274391, 316605, 358819, 823173, 1076457, 1371955, 1794095, 4115865, 4664647, 5382285, 13993941, 23323235, 69969705]

約数ペア:

[(1, 69969705), (3, 23323235), (5, 13993941), (13, 5382285), (15, 4664647), (17, 4115865), (39, 1794095), (51, 1371955), (65, 1076457), (85, 823173), (195, 358819), (221, 316605), (255, 274391), (663, 105535), (1105, 63321), (3315, 21107)]