213826815

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{70921}}^1$

素因数の和:70999

約数の個数: 24

約数和(自身を含む): 376170288

約数和(自身を除く): 162343473

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 70921, 212763, 354605, 638289, 1063815, 3191445, 4751707, 14255121, 23758535, 42765363, 71275605, 213826815]

約数ペア:

[(1, 213826815), (3, 71275605), (5, 42765363), (9, 23758535), (15, 14255121), (45, 4751707), (67, 3191445), (201, 1063815), (335, 638289), (603, 354605), (1005, 212763), (3015, 70921)]