331290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{409}}^1$

素因数の和:428

約数の個数: 40

約数和(自身を含む): 892980

約数和(自身を除く): 561690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 409, 810, 818, 1227, 2045, 2454, 3681, 4090, 6135, 7362, 11043, 12270, 18405, 22086, 33129, 36810, 55215, 66258, 110430, 165645, 331290]

約数ペア:

[(1, 331290), (2, 165645), (3, 110430), (5, 66258), (6, 55215), (9, 36810), (10, 33129), (15, 22086), (18, 18405), (27, 12270), (30, 11043), (45, 7362), (54, 6135), (81, 4090), (90, 3681), (135, 2454), (162, 2045), (270, 1227), (405, 818), (409, 810)]