77859873

素因数分解:

$3^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 146397888

約数和(自身を除く): 68538015

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 189, 243, 273, 351, 441, 503, 567, 637, 819, 1053, 1323, 1509, 1701, 1911, 2457, 3159, 3521, 3969, 4527, 5733, 6539, 7371, 10563, 11907, 13581, 17199, 19617, 22113, 24647, 31689, 40743, 45773, 51597, 58851, 73941, 95067, 122229, 137319, 154791, 176553, 221823, 285201, 320411, 411957, 529659, 665469, 855603, 961233, 1235871, 1588977, 1996407, 2883699, 3707613, 5989221, 8651097, 11122839, 25953291, 77859873]

約数ペア:

[(1, 77859873), (3, 25953291), (7, 11122839), (9, 8651097), (13, 5989221), (21, 3707613), (27, 2883699), (39, 1996407), (49, 1588977), (63, 1235871), (81, 961233), (91, 855603), (117, 665469), (147, 529659), (189, 411957), (243, 320411), (273, 285201), (351, 221823), (441, 176553), (503, 154791), (567, 137319), (637, 122229), (819, 95067), (1053, 73941), (1323, 58851), (1509, 51597), (1701, 45773), (1911, 40743), (2457, 31689), (3159, 24647), (3521, 22113), (3969, 19617), (4527, 17199), (5733, 13581), (6539, 11907), (7371, 10563)]