75081225

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 131293184

約数和(自身を除く): 56211959

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 215, 465, 645, 751, 775, 1075, 1333, 2253, 2325, 3225, 3755, 3999, 6665, 11265, 18775, 19995, 23281, 32293, 33325, 56325, 69843, 96879, 99975, 116405, 161465, 349215, 484395, 582025, 807325, 1001083, 1746075, 2421975, 3003249, 5005415, 15016245, 25027075, 75081225]

約数ペア:

[(1, 75081225), (3, 25027075), (5, 15016245), (15, 5005415), (25, 3003249), (31, 2421975), (43, 1746075), (75, 1001083), (93, 807325), (129, 582025), (155, 484395), (215, 349215), (465, 161465), (645, 116405), (751, 99975), (775, 96879), (1075, 69843), (1333, 56325), (2253, 33325), (2325, 32293), (3225, 23281), (3755, 19995), (3999, 18775), (6665, 11265)]