2518845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 4924800

約数和(自身を除く): 2405955

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 149, 161, 245, 345, 447, 483, 735, 745, 805, 1043, 1127, 2235, 2415, 3129, 3381, 3427, 5215, 5635, 7301, 10281, 15645, 16905, 17135, 21903, 23989, 36505, 51405, 71967, 109515, 119945, 167923, 359835, 503769, 839615, 2518845]

約数ペア:

[(1, 2518845), (3, 839615), (5, 503769), (7, 359835), (15, 167923), (21, 119945), (23, 109515), (35, 71967), (49, 51405), (69, 36505), (105, 23989), (115, 21903), (147, 17135), (149, 16905), (161, 15645), (245, 10281), (345, 7301), (447, 5635), (483, 5215), (735, 3427), (745, 3381), (805, 3129), (1043, 2415), (1127, 2235)]