210866721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 310464000

約数和(自身を除く): 99597279

約数列:

[1, 3, 13, 39, 79, 89, 237, 267, 769, 1027, 1157, 2307, 3081, 3471, 7031, 9997, 21093, 29991, 60751, 68441, 91403, 182253, 205323, 274209, 789763, 889733, 2369289, 2669199, 5406839, 16220517, 70288907, 210866721]

約数ペア:

[(1, 210866721), (3, 70288907), (13, 16220517), (39, 5406839), (79, 2669199), (89, 2369289), (237, 889733), (267, 789763), (769, 274209), (1027, 205323), (1157, 182253), (2307, 91403), (3081, 68441), (3471, 60751), (7031, 29991), (9997, 21093)]