242971521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2753}}^1$

素因数の和:2873

約数の個数: 32

約数和(自身を含む): 365202432

約数和(自身を除く): 122230911

約数列:

[1, 3, 13, 31, 39, 73, 93, 219, 403, 949, 1209, 2263, 2753, 2847, 6789, 8259, 29419, 35789, 85343, 88257, 107367, 200969, 256029, 602907, 1109459, 2612597, 3328377, 6230039, 7837791, 18690117, 80990507, 242971521]

約数ペア:

[(1, 242971521), (3, 80990507), (13, 18690117), (31, 7837791), (39, 6230039), (73, 3328377), (93, 2612597), (219, 1109459), (403, 602907), (949, 256029), (1209, 200969), (2263, 107367), (2753, 88257), (2847, 85343), (6789, 35789), (8259, 29419)]