1898883

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:233

約数の個数: 40

約数和(自身を含む): 3449952

約数和(自身を除く): 1551069

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 197, 357, 459, 567, 591, 1071, 1377, 1379, 1773, 3213, 3349, 4137, 5319, 9639, 10047, 12411, 15957, 23443, 30141, 37233, 70329, 90423, 111699, 210987, 271269, 632961, 1898883]

約数ペア:

[(1, 1898883), (3, 632961), (7, 271269), (9, 210987), (17, 111699), (21, 90423), (27, 70329), (51, 37233), (63, 30141), (81, 23443), (119, 15957), (153, 12411), (189, 10047), (197, 9639), (357, 5319), (459, 4137), (567, 3349), (591, 3213), (1071, 1773), (1377, 1379)]