90320949

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 144668160

約数和(自身を除く): 54347211

約数列:

[1, 3, 9, 17, 31, 51, 93, 137, 139, 153, 279, 411, 417, 527, 1233, 1251, 1581, 2329, 2363, 4247, 4309, 4743, 6987, 7089, 12741, 12927, 19043, 20961, 21267, 38223, 38781, 57129, 72199, 73253, 171387, 216597, 219759, 323731, 590333, 649791, 659277, 971193, 1770999, 2913579, 5312997, 10035661, 30106983, 90320949]

約数ペア:

[(1, 90320949), (3, 30106983), (9, 10035661), (17, 5312997), (31, 2913579), (51, 1770999), (93, 971193), (137, 659277), (139, 649791), (153, 590333), (279, 323731), (411, 219759), (417, 216597), (527, 171387), (1233, 73253), (1251, 72199), (1581, 57129), (2329, 38781), (2363, 38223), (4247, 21267), (4309, 20961), (4743, 19043), (6987, 12927), (7089, 12741)]