251833071

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{6779}}^1$

素因数の和:6879

約数の個数: 32

約数和(自身を含む): 403545600

約数和(自身を除く): 151712529

約数列:

[1, 3, 7, 21, 29, 61, 87, 183, 203, 427, 609, 1281, 1769, 5307, 6779, 12383, 20337, 37149, 47453, 142359, 196591, 413519, 589773, 1240557, 1376137, 2894633, 4128411, 8683899, 11992051, 35976153, 83944357, 251833071]

約数ペア:

[(1, 251833071), (3, 83944357), (7, 35976153), (21, 11992051), (29, 8683899), (61, 4128411), (87, 2894633), (183, 1376137), (203, 1240557), (427, 589773), (609, 413519), (1281, 196591), (1769, 142359), (5307, 47453), (6779, 37149), (12383, 20337)]