18069675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 32997888

約数和(自身を除く): 14928213

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 431, 559, 645, 975, 1075, 1293, 1677, 2155, 2795, 3225, 5603, 6465, 8385, 10775, 13975, 16809, 18533, 28015, 32325, 41925, 55599, 84045, 92665, 140075, 240929, 277995, 420225, 463325, 722787, 1204645, 1389975, 3613935, 6023225, 18069675]

約数ペア:

[(1, 18069675), (3, 6023225), (5, 3613935), (13, 1389975), (15, 1204645), (25, 722787), (39, 463325), (43, 420225), (65, 277995), (75, 240929), (129, 140075), (195, 92665), (215, 84045), (325, 55599), (431, 41925), (559, 32325), (645, 28015), (975, 18533), (1075, 16809), (1293, 13975), (1677, 10775), (2155, 8385), (2795, 6465), (3225, 5603)]