25218963

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 45906432

約数和(自身を除く): 20687469

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 151, 231, 241, 453, 693, 723, 1057, 1359, 1661, 1687, 2169, 2651, 3171, 4983, 5061, 7953, 9513, 11627, 14949, 15183, 18557, 23859, 34881, 36391, 55671, 104643, 109173, 167013, 254737, 327519, 400301, 764211, 1200903, 2292633, 2802107, 3602709, 8406321, 25218963]

約数ペア:

[(1, 25218963), (3, 8406321), (7, 3602709), (9, 2802107), (11, 2292633), (21, 1200903), (33, 764211), (63, 400301), (77, 327519), (99, 254737), (151, 167013), (231, 109173), (241, 104643), (453, 55671), (693, 36391), (723, 34881), (1057, 23859), (1359, 18557), (1661, 15183), (1687, 14949), (2169, 11627), (2651, 9513), (3171, 7953), (4983, 5061)]