61681995

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 110702592

約数和(自身を除く): 49020597

約数列:

[1, 3, 5, 9, 15, 43, 45, 127, 129, 215, 251, 381, 387, 635, 645, 753, 1143, 1255, 1905, 1935, 2259, 3765, 5461, 5715, 10793, 11295, 16383, 27305, 31877, 32379, 49149, 53965, 81915, 95631, 97137, 159385, 161895, 245745, 286893, 478155, 485685, 1370711, 1434465, 4112133, 6853555, 12336399, 20560665, 61681995]

約数ペア:

[(1, 61681995), (3, 20560665), (5, 12336399), (9, 6853555), (15, 4112133), (43, 1434465), (45, 1370711), (127, 485685), (129, 478155), (215, 286893), (251, 245745), (381, 161895), (387, 159385), (635, 97137), (645, 95631), (753, 81915), (1143, 53965), (1255, 49149), (1905, 32379), (1935, 31877), (2259, 27305), (3765, 16383), (5461, 11295), (5715, 10793)]