248247975

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{367}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 427115520

約数和(自身を除く): 178867545

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 311, 367, 435, 725, 933, 1101, 1555, 1835, 2175, 4665, 5505, 7775, 9019, 9175, 10643, 23325, 27057, 27525, 31929, 45095, 53215, 114137, 135285, 159645, 225475, 266075, 342411, 570685, 676425, 798225, 1712055, 2853425, 3309973, 8560275, 9929919, 16549865, 49649595, 82749325, 248247975]

約数ペア:

[(1, 248247975), (3, 82749325), (5, 49649595), (15, 16549865), (25, 9929919), (29, 8560275), (75, 3309973), (87, 2853425), (145, 1712055), (311, 798225), (367, 676425), (435, 570685), (725, 342411), (933, 266075), (1101, 225475), (1555, 159645), (1835, 135285), (2175, 114137), (4665, 53215), (5505, 45095), (7775, 31929), (9019, 27525), (9175, 27057), (10643, 23325)]