172967991

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{149}}^2$

素因数の和:368

約数の個数: 36

約数和(自身を含む): 275185512

約数和(自身を除く): 102217521

約数列:

[1, 3, 7, 21, 49, 53, 147, 149, 159, 371, 447, 1043, 1113, 2597, 3129, 7301, 7791, 7897, 21903, 22201, 23691, 55279, 66603, 155407, 165837, 386953, 466221, 1087849, 1160859, 1176653, 3263547, 3529959, 8236571, 24709713, 57655997, 172967991]

約数ペア:

[(1, 172967991), (3, 57655997), (7, 24709713), (21, 8236571), (49, 3529959), (53, 3263547), (147, 1176653), (149, 1160859), (159, 1087849), (371, 466221), (447, 386953), (1043, 165837), (1113, 155407), (2597, 66603), (3129, 55279), (7301, 23691), (7791, 22201), (7897, 21903)]