311901891

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{1741}}^1$

素因数の和:2219

約数の個数: 32

約数和(自身を含む): 501696000

約数和(自身を除く): 189794109

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 449, 1347, 1741, 3143, 5223, 8531, 9429, 12187, 25593, 33079, 36561, 59717, 99237, 179151, 231553, 694659, 781709, 2345127, 5471963, 14852471, 16415889, 44557413, 103967297, 311901891]

約数ペア:

[(1, 311901891), (3, 103967297), (7, 44557413), (19, 16415889), (21, 14852471), (57, 5471963), (133, 2345127), (399, 781709), (449, 694659), (1347, 231553), (1741, 179151), (3143, 99237), (5223, 59717), (8531, 36561), (9429, 33079), (12187, 25593)]