28482225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 50621760

約数和(自身を除く): 22139535

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 89, 251, 255, 267, 425, 445, 753, 1255, 1275, 1335, 1513, 2225, 3765, 4267, 4539, 6275, 6675, 7565, 12801, 18825, 21335, 22339, 22695, 37825, 64005, 67017, 106675, 111695, 113475, 320025, 335085, 379763, 558475, 1139289, 1675425, 1898815, 5696445, 9494075, 28482225]

約数ペア:

[(1, 28482225), (3, 9494075), (5, 5696445), (15, 1898815), (17, 1675425), (25, 1139289), (51, 558475), (75, 379763), (85, 335085), (89, 320025), (251, 113475), (255, 111695), (267, 106675), (425, 67017), (445, 64005), (753, 37825), (1255, 22695), (1275, 22339), (1335, 21335), (1513, 18825), (2225, 12801), (3765, 7565), (4267, 6675), (4539, 6275)]