20131447815

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{1051}}^1$

素因数の和:1645

約数の個数: 96

約数和(自身を含む): 37693244160

約数和(自身を除く): 17561796345

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 521, 645, 817, 855, 1051, 1563, 1935, 2451, 2605, 3153, 4085, 4689, 5255, 7353, 7815, 9459, 9899, 12255, 15765, 19969, 22403, 23445, 29697, 36765, 45193, 47295, 49495, 59907, 67209, 89091, 99845, 112015, 135579, 148485, 179721, 201627, 225965, 299535, 336045, 406737, 425657, 445455, 547571, 677895, 858667, 898605, 1008135, 1276971, 1642713, 2033685, 2128285, 2576001, 2737855, 3830913, 4293335, 4928139, 6384855, 7728003, 8213565, 10403849, 12880005, 19154565, 23545553, 24640695, 31211547, 38640015, 52019245, 70636659, 93634641, 117727765, 156057735, 211909977, 353183295, 447365507, 468173205, 1059549885, 1342096521, 2236827535, 4026289563, 6710482605, 20131447815]

約数ペア:

[(1, 20131447815), (3, 6710482605), (5, 4026289563), (9, 2236827535), (15, 1342096521), (19, 1059549885), (43, 468173205), (45, 447365507), (57, 353183295), (95, 211909977), (129, 156057735), (171, 117727765), (215, 93634641), (285, 70636659), (387, 52019245), (521, 38640015), (645, 31211547), (817, 24640695), (855, 23545553), (1051, 19154565), (1563, 12880005), (1935, 10403849), (2451, 8213565), (2605, 7728003), (3153, 6384855), (4085, 4928139), (4689, 4293335), (5255, 3830913), (7353, 2737855), (7815, 2576001), (9459, 2128285), (9899, 2033685), (12255, 1642713), (15765, 1276971), (19969, 1008135), (22403, 898605), (23445, 858667), (29697, 677895), (36765, 547571), (45193, 445455), (47295, 425657), (49495, 406737), (59907, 336045), (67209, 299535), (89091, 225965), (99845, 201627), (112015, 179721), (135579, 148485)]