26445645

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 47773440

約数和(自身を除く): 21327795

約数列:

[1, 3, 5, 9, 15, 43, 45, 79, 129, 173, 215, 237, 387, 395, 519, 645, 711, 865, 1185, 1557, 1935, 2595, 3397, 3555, 7439, 7785, 10191, 13667, 16985, 22317, 30573, 37195, 41001, 50955, 66951, 68335, 111585, 123003, 152865, 205005, 334755, 587681, 615015, 1763043, 2938405, 5289129, 8815215, 26445645]

約数ペア:

[(1, 26445645), (3, 8815215), (5, 5289129), (9, 2938405), (15, 1763043), (43, 615015), (45, 587681), (79, 334755), (129, 205005), (173, 152865), (215, 123003), (237, 111585), (387, 68335), (395, 66951), (519, 50955), (645, 41001), (711, 37195), (865, 30573), (1185, 22317), (1557, 16985), (1935, 13667), (2595, 10191), (3397, 7785), (3555, 7439)]