281693790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{447133}}^1$

素因数の和:447153

約数の個数: 48

約数和(自身を含む): 837034848

約数和(自身を除く): 555341058

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 447133, 894266, 1341399, 2235665, 2682798, 3129931, 4024197, 4471330, 6259862, 6706995, 8048394, 9389793, 13413990, 15649655, 18779586, 20120985, 28169379, 31299310, 40241970, 46948965, 56338758, 93897930, 140846895, 281693790]

約数ペア:

[(1, 281693790), (2, 140846895), (3, 93897930), (5, 56338758), (6, 46948965), (7, 40241970), (9, 31299310), (10, 28169379), (14, 20120985), (15, 18779586), (18, 15649655), (21, 13413990), (30, 9389793), (35, 8048394), (42, 6706995), (45, 6259862), (63, 4471330), (70, 4024197), (90, 3129931), (105, 2682798), (126, 2235665), (210, 1341399), (315, 894266), (630, 447133)]