71785305

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1071

約数の個数: 64

約数和(自身を含む): 139622400

約数和(自身を除く): 67837095

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 85, 93, 135, 153, 155, 255, 279, 459, 465, 527, 765, 837, 1009, 1395, 1581, 2295, 2635, 3027, 4185, 4743, 5045, 7905, 9081, 14229, 15135, 17153, 23715, 27243, 31279, 45405, 51459, 71145, 85765, 93837, 136215, 154377, 156395, 257295, 281511, 463131, 469185, 531743, 771885, 844533, 1407555, 1595229, 2315655, 2658715, 4222665, 4785687, 7976145, 14357061, 23928435, 71785305]

約数ペア:

[(1, 71785305), (3, 23928435), (5, 14357061), (9, 7976145), (15, 4785687), (17, 4222665), (27, 2658715), (31, 2315655), (45, 1595229), (51, 1407555), (85, 844533), (93, 771885), (135, 531743), (153, 469185), (155, 463131), (255, 281511), (279, 257295), (459, 156395), (465, 154377), (527, 136215), (765, 93837), (837, 85765), (1009, 71145), (1395, 51459), (1581, 45405), (2295, 31279), (2635, 27243), (3027, 23715), (4185, 17153), (4743, 15135), (5045, 14229), (7905, 9081)]