13223679

素因数分解:

$3^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 20966400

約数和(自身を除く): 7742721

約数列:

[1, 3, 7, 21, 49, 71, 147, 181, 213, 343, 497, 543, 1029, 1267, 1491, 3479, 3801, 8869, 10437, 12851, 24353, 26607, 38553, 62083, 73059, 89957, 186249, 269871, 629699, 1889097, 4407893, 13223679]

約数ペア:

[(1, 13223679), (3, 4407893), (7, 1889097), (21, 629699), (49, 269871), (71, 186249), (147, 89957), (181, 73059), (213, 62083), (343, 38553), (497, 26607), (543, 24353), (1029, 12851), (1267, 10437), (1491, 8869), (3479, 3801)]