128547405

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{45343}}^1$

素因数の和:45367

約数の個数: 40

約数和(自身を含む): 263357952

約数和(自身を除く): 134810547

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 45343, 136029, 226715, 317401, 408087, 680145, 952203, 1224261, 1587005, 2040435, 2856609, 3672783, 4761015, 6121305, 8569827, 14283045, 18363915, 25709481, 42849135, 128547405]

約数ペア:

[(1, 128547405), (3, 42849135), (5, 25709481), (7, 18363915), (9, 14283045), (15, 8569827), (21, 6121305), (27, 4761015), (35, 3672783), (45, 2856609), (63, 2040435), (81, 1587005), (105, 1224261), (135, 952203), (189, 680145), (315, 408087), (405, 317401), (567, 226715), (945, 136029), (2835, 45343)]