8321145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 16558080

約数和(自身を除く): 8236935

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 43, 57, 95, 97, 105, 129, 133, 215, 285, 291, 301, 399, 485, 645, 665, 679, 817, 903, 1455, 1505, 1843, 1995, 2037, 2451, 3395, 4085, 4171, 4515, 5529, 5719, 9215, 10185, 12255, 12513, 12901, 17157, 20855, 27645, 28595, 29197, 38703, 62565, 64505, 79249, 85785, 87591, 145985, 193515, 237747, 396245, 437955, 554743, 1188735, 1664229, 2773715, 8321145]

約数ペア:

[(1, 8321145), (3, 2773715), (5, 1664229), (7, 1188735), (15, 554743), (19, 437955), (21, 396245), (35, 237747), (43, 193515), (57, 145985), (95, 87591), (97, 85785), (105, 79249), (129, 64505), (133, 62565), (215, 38703), (285, 29197), (291, 28595), (301, 27645), (399, 20855), (485, 17157), (645, 12901), (665, 12513), (679, 12255), (817, 10185), (903, 9215), (1455, 5719), (1505, 5529), (1843, 4515), (1995, 4171), (2037, 4085), (2451, 3395)]