31477167

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:325

約数の個数: 40

約数和(自身を含む): 50210160

約数和(自身を除く): 18732993

約数列:

[1, 3, 9, 19, 27, 57, 81, 113, 171, 181, 339, 513, 543, 1017, 1539, 1629, 2147, 3051, 3439, 4887, 6441, 9153, 10317, 14661, 19323, 20453, 30951, 57969, 61359, 92853, 173907, 184077, 278559, 388607, 552231, 1165821, 1656693, 3497463, 10492389, 31477167]

約数ペア:

[(1, 31477167), (3, 10492389), (9, 3497463), (19, 1656693), (27, 1165821), (57, 552231), (81, 388607), (113, 278559), (171, 184077), (181, 173907), (339, 92853), (513, 61359), (543, 57969), (1017, 30951), (1539, 20453), (1629, 19323), (2147, 14661), (3051, 10317), (3439, 9153), (4887, 6441)]