641361201

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{11287}}^1$

素因数の和:11381

約数の個数: 32

約数和(自身を含む): 970948608

約数和(自身を除く): 329587407

約数列:

[1, 3, 13, 31, 39, 47, 93, 141, 403, 611, 1209, 1457, 1833, 4371, 11287, 18941, 33861, 56823, 146731, 349897, 440193, 530489, 1049691, 1591467, 4548661, 6896357, 13645983, 16445159, 20689071, 49335477, 213787067, 641361201]

約数ペア:

[(1, 641361201), (3, 213787067), (13, 49335477), (31, 20689071), (39, 16445159), (47, 13645983), (93, 6896357), (141, 4548661), (403, 1591467), (611, 1049691), (1209, 530489), (1457, 440193), (1833, 349897), (4371, 146731), (11287, 56823), (18941, 33861)]