71961645

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5153}}^1$

素因数の和:5194

約数の個数: 48

約数和(自身を含む): 141013440

約数和(自身を除く): 69051795

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 5153, 13965, 15459, 25765, 36071, 77295, 97907, 108213, 180355, 252497, 293721, 489535, 541065, 685349, 757491, 1262485, 1468605, 2056047, 3426745, 3787455, 4797443, 10280235, 14392329, 23987215, 71961645]

約数ペア:

[(1, 71961645), (3, 23987215), (5, 14392329), (7, 10280235), (15, 4797443), (19, 3787455), (21, 3426745), (35, 2056047), (49, 1468605), (57, 1262485), (95, 757491), (105, 685349), (133, 541065), (147, 489535), (245, 293721), (285, 252497), (399, 180355), (665, 108213), (735, 97907), (931, 77295), (1995, 36071), (2793, 25765), (4655, 15459), (5153, 13965)]