11812311

素因数分解:

$3^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:353

約数の個数: 40

約数和(自身を含む): 20490624

約数和(自身を除く): 8678313

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 83, 189, 249, 251, 567, 581, 747, 753, 1743, 1757, 2241, 2259, 5229, 5271, 6723, 6777, 15687, 15813, 20331, 20833, 47061, 47439, 62499, 142317, 145831, 187497, 437493, 562491, 1312479, 1687473, 3937437, 11812311]

約数ペア:

[(1, 11812311), (3, 3937437), (7, 1687473), (9, 1312479), (21, 562491), (27, 437493), (63, 187497), (81, 145831), (83, 142317), (189, 62499), (249, 47439), (251, 47061), (567, 20833), (581, 20331), (747, 15813), (753, 15687), (1743, 6777), (1757, 6723), (2241, 5271), (2259, 5229)]