25281975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 19715145

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 79, 85, 237, 251, 255, 395, 425, 753, 1185, 1255, 1275, 1343, 1975, 3765, 4029, 4267, 5925, 6275, 6715, 12801, 18825, 19829, 20145, 21335, 33575, 59487, 64005, 99145, 100725, 106675, 297435, 320025, 337093, 495725, 1011279, 1487175, 1685465, 5056395, 8427325, 25281975]

約数ペア:

[(1, 25281975), (3, 8427325), (5, 5056395), (15, 1685465), (17, 1487175), (25, 1011279), (51, 495725), (75, 337093), (79, 320025), (85, 297435), (237, 106675), (251, 100725), (255, 99145), (395, 64005), (425, 59487), (753, 33575), (1185, 21335), (1255, 20145), (1275, 19829), (1343, 18825), (1975, 12801), (3765, 6715), (4029, 6275), (4267, 5925)]