245397789

素因数分解:

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

素因数の和:99906

約数の個数: 32

約数和(自身を含む): 447453440

約数和(自身を除く): 202055651

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 99877, 299631, 699139, 898893, 1298401, 2097417, 2696679, 3895203, 6292251, 9088807, 11685609, 18876753, 27266421, 35056827, 81799263, 245397789]

約数ペア:

[(1, 245397789), (3, 81799263), (7, 35056827), (9, 27266421), (13, 18876753), (21, 11685609), (27, 9088807), (39, 6292251), (63, 3895203), (91, 2696679), (117, 2097417), (189, 1298401), (273, 898893), (351, 699139), (819, 299631), (2457, 99877)]