201921135

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{33403}}^1$

素因数の和:33455

約数の個数: 32

約数和(自身を含む): 359159808

約数和(自身を除く): 157238673

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 6045, 33403, 100209, 167015, 434239, 501045, 1035493, 1302717, 2171195, 3106479, 5177465, 6513585, 13461409, 15532395, 40384227, 67307045, 201921135]

約数ペア:

[(1, 201921135), (3, 67307045), (5, 40384227), (13, 15532395), (15, 13461409), (31, 6513585), (39, 5177465), (65, 3106479), (93, 2171195), (155, 1302717), (195, 1035493), (403, 501045), (465, 434239), (1209, 167015), (2015, 100209), (6045, 33403)]