1978575

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 3618816

約数和(自身を除く): 1640241

約数列:

[1, 3, 5, 15, 23, 25, 31, 37, 69, 75, 93, 111, 115, 155, 185, 345, 465, 555, 575, 713, 775, 851, 925, 1147, 1725, 2139, 2325, 2553, 2775, 3441, 3565, 4255, 5735, 10695, 12765, 17205, 17825, 21275, 26381, 28675, 53475, 63825, 79143, 86025, 131905, 395715, 659525, 1978575]

約数ペア:

[(1, 1978575), (3, 659525), (5, 395715), (15, 131905), (23, 86025), (25, 79143), (31, 63825), (37, 53475), (69, 28675), (75, 26381), (93, 21275), (111, 17825), (115, 17205), (155, 12765), (185, 10695), (345, 5735), (465, 4255), (555, 3565), (575, 3441), (713, 2775), (775, 2553), (851, 2325), (925, 2139), (1147, 1725)]