31040919

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 55770624

約数和(自身を除く): 24729705

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 151, 251, 273, 453, 753, 819, 1057, 1359, 1757, 1963, 2259, 3171, 3263, 5271, 5889, 9513, 9789, 13741, 15813, 17667, 22841, 29367, 37901, 41223, 68523, 113703, 123669, 205569, 265307, 341109, 492713, 795921, 1478139, 2387763, 3448991, 4434417, 10346973, 31040919]

約数ペア:

[(1, 31040919), (3, 10346973), (7, 4434417), (9, 3448991), (13, 2387763), (21, 1478139), (39, 795921), (63, 492713), (91, 341109), (117, 265307), (151, 205569), (251, 123669), (273, 113703), (453, 68523), (753, 41223), (819, 37901), (1057, 29367), (1359, 22841), (1757, 17667), (1963, 15813), (2259, 13741), (3171, 9789), (3263, 9513), (5271, 5889)]