172157805

素因数分解:

$3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4127}}^1$

素因数の和:4247

約数の個数: 40

約数和(自身を含む): 311680512

約数和(自身を除く): 139522707

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 103, 135, 309, 405, 515, 927, 1545, 2781, 4127, 4635, 8343, 12381, 13905, 20635, 37143, 41715, 61905, 111429, 185715, 334287, 425081, 557145, 1275243, 1671435, 2125405, 3825729, 6376215, 11477187, 19128645, 34431561, 57385935, 172157805]

約数ペア:

[(1, 172157805), (3, 57385935), (5, 34431561), (9, 19128645), (15, 11477187), (27, 6376215), (45, 3825729), (81, 2125405), (103, 1671435), (135, 1275243), (309, 557145), (405, 425081), (515, 334287), (927, 185715), (1545, 111429), (2781, 61905), (4127, 41715), (4635, 37143), (8343, 20635), (12381, 13905)]