1688967

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 3144960

約数和(自身を除く): 1455993

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 83, 119, 133, 153, 171, 249, 323, 357, 399, 581, 747, 969, 1071, 1197, 1411, 1577, 1743, 2261, 2907, 4233, 4731, 5229, 6783, 9877, 11039, 12699, 14193, 20349, 26809, 29631, 33117, 80427, 88893, 99351, 187663, 241281, 562989, 1688967]

約数ペア:

[(1, 1688967), (3, 562989), (7, 241281), (9, 187663), (17, 99351), (19, 88893), (21, 80427), (51, 33117), (57, 29631), (63, 26809), (83, 20349), (119, 14193), (133, 12699), (153, 11039), (171, 9877), (249, 6783), (323, 5229), (357, 4731), (399, 4233), (581, 2907), (747, 2261), (969, 1743), (1071, 1577), (1197, 1411)]