1620172017

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{22877}}^1$

素因数の和:22990

約数の個数: 32

約数和(自身を含む): 2496447360

約数和(自身を除く): 876275343

約数列:

[1, 3, 9, 27, 43, 61, 129, 183, 387, 549, 1161, 1647, 2623, 7869, 22877, 23607, 68631, 70821, 205893, 617679, 983711, 1395497, 2951133, 4186491, 8853399, 12559473, 26560197, 37678419, 60006371, 180019113, 540057339, 1620172017]

約数ペア:

[(1, 1620172017), (3, 540057339), (9, 180019113), (27, 60006371), (43, 37678419), (61, 26560197), (129, 12559473), (183, 8853399), (387, 4186491), (549, 2951133), (1161, 1395497), (1647, 983711), (2623, 617679), (7869, 205893), (22877, 70821), (23607, 68631)]