201512913

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{991}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 321503232

約数和(自身を除く): 119990319

約数列:

[1, 3, 7, 21, 23, 69, 161, 421, 483, 991, 1263, 2947, 2973, 6937, 8841, 9683, 20811, 22793, 29049, 67781, 68379, 159551, 203343, 417211, 478653, 1251633, 2920477, 8761431, 9595853, 28787559, 67170971, 201512913]

約数ペア:

[(1, 201512913), (3, 67170971), (7, 28787559), (21, 9595853), (23, 8761431), (69, 2920477), (161, 1251633), (421, 478653), (483, 417211), (991, 203343), (1263, 159551), (2947, 68379), (2973, 67781), (6937, 29049), (8841, 22793), (9683, 20811)]