1790235

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 3240000

約数和(自身を除く): 1449765

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 149, 267, 445, 447, 745, 801, 1335, 1341, 2235, 2403, 4005, 4023, 6705, 12015, 13261, 20115, 39783, 66305, 119349, 198915, 358047, 596745, 1790235]

約数ペア:

[(1, 1790235), (3, 596745), (5, 358047), (9, 198915), (15, 119349), (27, 66305), (45, 39783), (89, 20115), (135, 13261), (149, 12015), (267, 6705), (445, 4023), (447, 4005), (745, 2403), (801, 2235), (1335, 1341)]