340515

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:88

約数の個数: 48

約数和(自身を含む): 718848

約数和(自身を除く): 378333

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 47, 63, 69, 105, 115, 141, 161, 207, 235, 315, 329, 345, 423, 483, 705, 805, 987, 1035, 1081, 1449, 1645, 2115, 2415, 2961, 3243, 4935, 5405, 7245, 7567, 9729, 14805, 16215, 22701, 37835, 48645, 68103, 113505, 340515]

約数ペア:

[(1, 340515), (3, 113505), (5, 68103), (7, 48645), (9, 37835), (15, 22701), (21, 16215), (23, 14805), (35, 9729), (45, 7567), (47, 7245), (63, 5405), (69, 4935), (105, 3243), (115, 2961), (141, 2415), (161, 2115), (207, 1645), (235, 1449), (315, 1081), (329, 1035), (345, 987), (423, 805), (483, 705)]