1900599309

素因数分解:

$3^4\times 7^2\times {\mathrm{478861}}^1$

素因数の和:478887

約数の個数: 30

約数和(自身を含む): 3302711214

約数和(自身を除く): 1402111905

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 478861, 1436583, 3352027, 4309749, 10056081, 12929247, 23464189, 30168243, 38787741, 70392567, 90504729, 211177701, 271514187, 633533103, 1900599309]

約数ペア:

[(1, 1900599309), (3, 633533103), (7, 271514187), (9, 211177701), (21, 90504729), (27, 70392567), (49, 38787741), (63, 30168243), (81, 23464189), (147, 12929247), (189, 10056081), (441, 4309749), (567, 3352027), (1323, 1436583), (3969, 478861)]