219642759

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7309}}^1$

素因数の和:7381

約数の個数: 40

約数和(自身を含む): 382108320

約数和(自身を除く): 162465561

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 1113, 1431, 3339, 4293, 7309, 10017, 21927, 30051, 51163, 65781, 153489, 197343, 387377, 460467, 592029, 1162131, 1381401, 2711639, 3486393, 4144203, 8134917, 10459179, 24404751, 31377537, 73214253, 219642759]

約数ペア:

[(1, 219642759), (3, 73214253), (7, 31377537), (9, 24404751), (21, 10459179), (27, 8134917), (53, 4144203), (63, 3486393), (81, 2711639), (159, 1381401), (189, 1162131), (371, 592029), (477, 460467), (567, 387377), (1113, 197343), (1431, 153489), (3339, 65781), (4293, 51163), (7309, 30051), (10017, 21927)]