1381947

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 32

約数和(自身を含む): 2304000

約数和(自身を除く): 922053

約数列:

[1, 3, 7, 17, 21, 49, 51, 79, 119, 147, 237, 343, 357, 553, 833, 1029, 1343, 1659, 2499, 3871, 4029, 5831, 9401, 11613, 17493, 27097, 28203, 65807, 81291, 197421, 460649, 1381947]

約数ペア:

[(1, 1381947), (3, 460649), (7, 197421), (17, 81291), (21, 65807), (49, 28203), (51, 27097), (79, 17493), (119, 11613), (147, 9401), (237, 5831), (343, 4029), (357, 3871), (553, 2499), (833, 1659), (1029, 1343)]