1225638675

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{42227}}^1$

素因数の和:42289

約数の個数: 48

約数和(自身を含む): 2303959680

約数和(自身を除く): 1078321005

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 645, 675, 1075, 1161, 1935, 3225, 5805, 9675, 29025, 42227, 126681, 211135, 380043, 633405, 1055675, 1140129, 1815761, 1900215, 3167025, 5447283, 5700645, 9078805, 9501075, 16341849, 27236415, 28503225, 45394025, 49025547, 81709245, 136182075, 245127735, 408546225, 1225638675]

約数ペア:

[(1, 1225638675), (3, 408546225), (5, 245127735), (9, 136182075), (15, 81709245), (25, 49025547), (27, 45394025), (43, 28503225), (45, 27236415), (75, 16341849), (129, 9501075), (135, 9078805), (215, 5700645), (225, 5447283), (387, 3167025), (645, 1900215), (675, 1815761), (1075, 1140129), (1161, 1055675), (1935, 633405), (3225, 380043), (5805, 211135), (9675, 126681), (29025, 42227)]