921408.0000000

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 13132800

約数和(自身を除く): 5118087

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 379, 399, 1007, 1113, 1137, 2653, 3021, 7049, 7201, 7959, 20087, 21147, 21603, 50407, 60261, 140609, 151221, 381653, 421827, 1144959, 2671571, 8014713]

約数ペア:

[(1, 8014713), (3, 2671571), (7, 1144959), (19, 421827), (21, 381653), (53, 151221), (57, 140609), (133, 60261), (159, 50407), (371, 21603), (379, 21147), (399, 20087), (1007, 7959), (1113, 7201), (1137, 7049), (2653, 3021)]