18644145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4157}}^1$

素因数の和:4201

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 14885967

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4157, 4485, 12471, 20785, 54041, 62355, 95611, 162123, 270205, 286833, 478055, 810615, 1242943, 1434165, 3728829, 6214715, 18644145]

約数ペア:

[(1, 18644145), (3, 6214715), (5, 3728829), (13, 1434165), (15, 1242943), (23, 810615), (39, 478055), (65, 286833), (69, 270205), (115, 162123), (195, 95611), (299, 62355), (345, 54041), (897, 20785), (1495, 12471), (4157, 4485)]