18105969

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1237}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 29949696

約数和(自身を除く): 11843727

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 1237, 2091, 3711, 4879, 8659, 14637, 21029, 25977, 50717, 63087, 147203, 152151, 355019, 441609, 862189, 1065057, 2586567, 6035323, 18105969]

約数ペア:

[(1, 18105969), (3, 6035323), (7, 2586567), (17, 1065057), (21, 862189), (41, 441609), (51, 355019), (119, 152151), (123, 147203), (287, 63087), (357, 50717), (697, 25977), (861, 21029), (1237, 14637), (2091, 8659), (3711, 4879)]