16004781

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 26535600

約数和(自身を除く): 10530819

約数列:

[1, 3, 9, 13, 29, 39, 53, 87, 89, 117, 159, 261, 267, 377, 477, 689, 801, 1131, 1157, 1537, 2067, 2581, 3393, 3471, 4611, 4717, 6201, 7743, 10413, 13833, 14151, 19981, 23229, 33553, 42453, 59943, 61321, 100659, 136793, 179829, 183963, 301977, 410379, 551889, 1231137, 1778309, 5334927, 16004781]

約数ペア:

[(1, 16004781), (3, 5334927), (9, 1778309), (13, 1231137), (29, 551889), (39, 410379), (53, 301977), (87, 183963), (89, 179829), (117, 136793), (159, 100659), (261, 61321), (267, 59943), (377, 42453), (477, 33553), (689, 23229), (801, 19981), (1131, 14151), (1157, 13833), (1537, 10413), (2067, 7743), (2581, 6201), (3393, 4717), (3471, 4611)]