1204515

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 2358720

約数和(自身を除く): 1154205

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 71, 87, 117, 145, 195, 213, 261, 355, 377, 435, 585, 639, 923, 1065, 1131, 1305, 1885, 2059, 2769, 3195, 3393, 4615, 5655, 6177, 8307, 10295, 13845, 16965, 18531, 26767, 30885, 41535, 80301, 92655, 133835, 240903, 401505, 1204515]

約数ペア:

[(1, 1204515), (3, 401505), (5, 240903), (9, 133835), (13, 92655), (15, 80301), (29, 41535), (39, 30885), (45, 26767), (65, 18531), (71, 16965), (87, 13845), (117, 10295), (145, 8307), (195, 6177), (213, 5655), (261, 4615), (355, 3393), (377, 3195), (435, 2769), (585, 2059), (639, 1885), (923, 1305), (1065, 1131)]