80996715

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1553}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 150302880

約数和(自身を除く): 69306165

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 61, 95, 171, 183, 285, 305, 549, 855, 915, 1159, 1553, 2745, 3477, 4659, 5795, 7765, 10431, 13977, 17385, 23295, 29507, 52155, 69885, 88521, 94733, 147535, 265563, 284199, 442605, 473665, 852597, 1327815, 1420995, 1799927, 4262985, 5399781, 8999635, 16199343, 26998905, 80996715]

約数ペア:

[(1, 80996715), (3, 26998905), (5, 16199343), (9, 8999635), (15, 5399781), (19, 4262985), (45, 1799927), (57, 1420995), (61, 1327815), (95, 852597), (171, 473665), (183, 442605), (285, 284199), (305, 265563), (549, 147535), (855, 94733), (915, 88521), (1159, 69885), (1553, 52155), (2745, 29507), (3477, 23295), (4659, 17385), (5795, 13977), (7765, 10431)]