99971475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 177176160

約数和(自身を除く): 77204685

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 89, 255, 267, 425, 445, 881, 1275, 1335, 1513, 2225, 2643, 4405, 4539, 6675, 7565, 13215, 14977, 22025, 22695, 37825, 44931, 66075, 74885, 78409, 113475, 224655, 235227, 374425, 392045, 1123275, 1176135, 1332953, 1960225, 3998859, 5880675, 6664765, 19994295, 33323825, 99971475]

約数ペア:

[(1, 99971475), (3, 33323825), (5, 19994295), (15, 6664765), (17, 5880675), (25, 3998859), (51, 1960225), (75, 1332953), (85, 1176135), (89, 1123275), (255, 392045), (267, 374425), (425, 235227), (445, 224655), (881, 113475), (1275, 78409), (1335, 74885), (1513, 66075), (2225, 44931), (2643, 37825), (4405, 22695), (4539, 22025), (6675, 14977), (7565, 13215)]