399883911

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1652

約数の個数: 64

約数和(自身を含む): 695402496

約数和(自身を除く): 295518585

約数列:

[1, 3, 7, 17, 21, 23, 31, 51, 69, 93, 119, 161, 217, 357, 391, 483, 527, 651, 713, 1173, 1571, 1581, 2139, 2737, 3689, 4713, 4991, 8211, 10997, 11067, 12121, 14973, 26707, 32991, 36133, 36363, 48701, 80121, 84847, 108399, 146103, 186949, 252931, 254541, 340907, 560847, 614261, 758793, 827917, 1022721, 1120123, 1842783, 2483751, 3360369, 4299827, 5795419, 7840861, 12899481, 17386257, 19042091, 23522583, 57126273, 133294637, 399883911]

約数ペア:

[(1, 399883911), (3, 133294637), (7, 57126273), (17, 23522583), (21, 19042091), (23, 17386257), (31, 12899481), (51, 7840861), (69, 5795419), (93, 4299827), (119, 3360369), (161, 2483751), (217, 1842783), (357, 1120123), (391, 1022721), (483, 827917), (527, 758793), (651, 614261), (713, 560847), (1173, 340907), (1571, 254541), (1581, 252931), (2139, 186949), (2737, 146103), (3689, 108399), (4713, 84847), (4991, 80121), (8211, 48701), (10997, 36363), (11067, 36133), (12121, 32991), (14973, 26707)]