2154243

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{607}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 3560448

約数和(自身を除く): 1406205

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 607, 1183, 1821, 3549, 4249, 7891, 12747, 23673, 55237, 102583, 165711, 307749, 718081, 2154243]

約数ペア:

[(1, 2154243), (3, 718081), (7, 307749), (13, 165711), (21, 102583), (39, 55237), (91, 23673), (169, 12747), (273, 7891), (507, 4249), (607, 3549), (1183, 1821)]