720143775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{246203}}^1$

素因数の和:246232

約数の個数: 36

約数和(自身を含む): 1389082968

約数和(自身を除く): 668939193

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 246203, 738609, 1231015, 2215827, 3200639, 3693045, 6155075, 9601917, 11079135, 16003195, 18465225, 28805751, 48009585, 55395675, 80015975, 144028755, 240047925, 720143775]

約数ペア:

[(1, 720143775), (3, 240047925), (5, 144028755), (9, 80015975), (13, 55395675), (15, 48009585), (25, 28805751), (39, 18465225), (45, 16003195), (65, 11079135), (75, 9601917), (117, 6155075), (195, 3693045), (225, 3200639), (325, 2215827), (585, 1231015), (975, 738609), (2925, 246203)]