7242705

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 13590720

約数和(自身を除く): 6348015

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 197, 215, 285, 387, 591, 645, 817, 855, 985, 1773, 1935, 2451, 2955, 3743, 4085, 7353, 8471, 8865, 11229, 12255, 18715, 25413, 33687, 36765, 42355, 56145, 76239, 127065, 160949, 168435, 381195, 482847, 804745, 1448541, 2414235, 7242705]

約数ペア:

[(1, 7242705), (3, 2414235), (5, 1448541), (9, 804745), (15, 482847), (19, 381195), (43, 168435), (45, 160949), (57, 127065), (95, 76239), (129, 56145), (171, 42355), (197, 36765), (215, 33687), (285, 25413), (387, 18715), (591, 12255), (645, 11229), (817, 8865), (855, 8471), (985, 7353), (1773, 4085), (1935, 3743), (2451, 2955)]