31281921

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{18587}}^1$

素因数の和:18621

約数の個数: 24

約数和(自身を含む): 52195104

約数和(自身を除く): 20913183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 18587, 55761, 167283, 204457, 315979, 613371, 947937, 1840113, 2843811, 3475769, 10427307, 31281921]

約数ペア:

[(1, 31281921), (3, 10427307), (9, 3475769), (11, 2843811), (17, 1840113), (33, 947937), (51, 613371), (99, 315979), (153, 204457), (187, 167283), (561, 55761), (1683, 18587)]