201919977

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{47837}}^1$

素因数の和:47917

約数の個数: 24

約数和(自身を含む): 338310336

約数和(自身を除く): 136390359

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 47837, 143511, 334859, 430533, 1004577, 3013731, 3205079, 9615237, 22435553, 28845711, 67306659, 201919977]

約数ペア:

[(1, 201919977), (3, 67306659), (7, 28845711), (9, 22435553), (21, 9615237), (63, 3205079), (67, 3013731), (201, 1004577), (469, 430533), (603, 334859), (1407, 143511), (4221, 47837)]