207971091

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{661}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 316912640

約数和(自身を除く): 108941549

約数列:

[1, 3, 9, 27, 43, 129, 271, 387, 661, 813, 1161, 1983, 2439, 5949, 7317, 11653, 17847, 28423, 34959, 85269, 104877, 179131, 255807, 314631, 537393, 767421, 1612179, 4836537, 7702633, 23107899, 69323697, 207971091]

約数ペア:

[(1, 207971091), (3, 69323697), (9, 23107899), (27, 7702633), (43, 4836537), (129, 1612179), (271, 767421), (387, 537393), (661, 314631), (813, 255807), (1161, 179131), (1983, 104877), (2439, 85269), (5949, 34959), (7317, 28423), (11653, 17847)]