13380525

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 25206720

約数和(自身を除く): 11826195

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 461, 645, 675, 1075, 1161, 1383, 1935, 2305, 3225, 4149, 5805, 6915, 9675, 11525, 12447, 19823, 20745, 29025, 34575, 59469, 62235, 99115, 103725, 178407, 297345, 311175, 495575, 535221, 892035, 1486725, 2676105, 4460175, 13380525]

約数ペア:

[(1, 13380525), (3, 4460175), (5, 2676105), (9, 1486725), (15, 892035), (25, 535221), (27, 495575), (43, 311175), (45, 297345), (75, 178407), (129, 103725), (135, 99115), (215, 62235), (225, 59469), (387, 34575), (461, 29025), (645, 20745), (675, 19823), (1075, 12447), (1161, 11525), (1383, 9675), (1935, 6915), (2305, 5805), (3225, 4149)]