51821175

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 101779200

約数和(自身を除く): 49958025

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 59, 75, 105, 147, 175, 177, 239, 245, 295, 413, 525, 717, 735, 885, 1195, 1225, 1239, 1475, 1673, 2065, 2891, 3585, 3675, 4425, 5019, 5975, 6195, 8365, 8673, 10325, 11711, 14101, 14455, 17925, 25095, 30975, 35133, 41825, 42303, 43365, 58555, 70505, 72275, 98707, 125475, 175665, 211515, 216825, 292775, 296121, 352525, 493535, 690949, 878325, 1057575, 1480605, 2072847, 2467675, 3454745, 7403025, 10364235, 17273725, 51821175]

約数ペア:

[(1, 51821175), (3, 17273725), (5, 10364235), (7, 7403025), (15, 3454745), (21, 2467675), (25, 2072847), (35, 1480605), (49, 1057575), (59, 878325), (75, 690949), (105, 493535), (147, 352525), (175, 296121), (177, 292775), (239, 216825), (245, 211515), (295, 175665), (413, 125475), (525, 98707), (717, 72275), (735, 70505), (885, 58555), (1195, 43365), (1225, 42303), (1239, 41825), (1475, 35133), (1673, 30975), (2065, 25095), (2891, 17925), (3585, 14455), (3675, 14101), (4425, 11711), (5019, 10325), (5975, 8673), (6195, 8365)]