2906631

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^3$

素因数の和:62

約数の個数: 48

約数和(自身を含む): 5426400

約数和(自身を除く): 2519769

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 169, 189, 273, 351, 441, 507, 637, 819, 1183, 1323, 1521, 1911, 2197, 2457, 3549, 4563, 5733, 6591, 8281, 10647, 15379, 17199, 19773, 24843, 31941, 46137, 59319, 74529, 107653, 138411, 223587, 322959, 415233, 968877, 2906631]

約数ペア:

[(1, 2906631), (3, 968877), (7, 415233), (9, 322959), (13, 223587), (21, 138411), (27, 107653), (39, 74529), (49, 59319), (63, 46137), (91, 31941), (117, 24843), (147, 19773), (169, 17199), (189, 15379), (273, 10647), (351, 8281), (441, 6591), (507, 5733), (637, 4563), (819, 3549), (1183, 2457), (1323, 2197), (1521, 1911)]