1390005

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 2695680

約数和(自身を除く): 1305675

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 79, 85, 115, 153, 207, 237, 255, 345, 391, 395, 711, 765, 1035, 1173, 1185, 1343, 1817, 1955, 3519, 3555, 4029, 5451, 5865, 6715, 9085, 12087, 16353, 17595, 20145, 27255, 30889, 60435, 81765, 92667, 154445, 278001, 463335, 1390005]

約数ペア:

[(1, 1390005), (3, 463335), (5, 278001), (9, 154445), (15, 92667), (17, 81765), (23, 60435), (45, 30889), (51, 27255), (69, 20145), (79, 17595), (85, 16353), (115, 12087), (153, 9085), (207, 6715), (237, 5865), (255, 5451), (345, 4029), (391, 3555), (395, 3519), (711, 1955), (765, 1817), (1035, 1343), (1173, 1185)]