81799263

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{99877}}^1$

素因数の和:99903

約数の個数: 24

約数和(自身を含む): 145422368

約数和(自身を除く): 63623105

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 99877, 299631, 699139, 898893, 1298401, 2097417, 3895203, 6292251, 9088807, 11685609, 27266421, 81799263]

約数ペア:

[(1, 81799263), (3, 27266421), (7, 11685609), (9, 9088807), (13, 6292251), (21, 3895203), (39, 2097417), (63, 1298401), (91, 898893), (117, 699139), (273, 299631), (819, 99877)]