331319565

素因数分解:

$3^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 611654400

約数和(自身を除く): 280334835

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 243, 369, 405, 615, 729, 739, 1107, 1215, 1845, 2187, 2217, 3321, 3645, 3695, 5535, 6651, 9963, 10935, 11085, 16605, 19953, 29889, 30299, 33255, 49815, 59859, 89667, 90897, 99765, 149445, 151495, 179577, 272691, 299295, 448335, 454485, 538731, 818073, 897885, 1363455, 1616193, 2454219, 2693655, 4090365, 7362657, 8080965, 12271095, 22087971, 36813285, 66263913, 110439855, 331319565]

約数ペア:

[(1, 331319565), (3, 110439855), (5, 66263913), (9, 36813285), (15, 22087971), (27, 12271095), (41, 8080965), (45, 7362657), (81, 4090365), (123, 2693655), (135, 2454219), (205, 1616193), (243, 1363455), (369, 897885), (405, 818073), (615, 538731), (729, 454485), (739, 448335), (1107, 299295), (1215, 272691), (1845, 179577), (2187, 151495), (2217, 149445), (3321, 99765), (3645, 90897), (3695, 89667), (5535, 59859), (6651, 49815), (9963, 33255), (10935, 30299), (11085, 29889), (16605, 19953)]