405428961

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{1367}}^1$

素因数の和:1893

約数の個数: 32

約数和(自身を含む): 640880640

約数和(自身を除く): 235451679

約数列:

[1, 3, 7, 21, 29, 87, 203, 487, 609, 1367, 1461, 3409, 4101, 9569, 10227, 14123, 28707, 39643, 42369, 98861, 118929, 277501, 296583, 665729, 832503, 1997187, 4660103, 13980309, 19306141, 57918423, 135142987, 405428961]

約数ペア:

[(1, 405428961), (3, 135142987), (7, 57918423), (21, 19306141), (29, 13980309), (87, 4660103), (203, 1997187), (487, 832503), (609, 665729), (1367, 296583), (1461, 277501), (3409, 118929), (4101, 98861), (9569, 42369), (10227, 39643), (14123, 28707)]