173667325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^2$

素因数の和:143

約数の個数: 54

約数和(自身を含む): 252219534

約数和(自身を除く): 78552209

約数列:

[1, 5, 13, 17, 25, 43, 65, 85, 215, 221, 289, 325, 425, 559, 731, 1075, 1105, 1445, 1849, 2795, 3655, 3757, 5525, 7225, 9245, 9503, 12427, 13975, 18275, 18785, 24037, 31433, 46225, 47515, 62135, 93925, 120185, 157165, 161551, 237575, 310675, 408629, 534361, 600925, 785825, 807755, 2043145, 2671805, 4038775, 6946693, 10215725, 13359025, 34733465, 173667325]

約数ペア:

[(1, 173667325), (5, 34733465), (13, 13359025), (17, 10215725), (25, 6946693), (43, 4038775), (65, 2671805), (85, 2043145), (215, 807755), (221, 785825), (289, 600925), (325, 534361), (425, 408629), (559, 310675), (731, 237575), (1075, 161551), (1105, 157165), (1445, 120185), (1849, 93925), (2795, 62135), (3655, 47515), (3757, 46225), (5525, 31433), (7225, 24037), (9245, 18785), (9503, 18275), (12427, 13975)]