38991291237

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{1901}}^1$

素因数の和:2111

約数の個数: 72

約数和(自身を含む): 61045526880

約数和(自身を除く): 22054235643

約数列:

[1, 3, 9, 19, 57, 59, 107, 171, 177, 321, 361, 531, 963, 1083, 1121, 1901, 2033, 3249, 3363, 5703, 6099, 6313, 10089, 17109, 18297, 18939, 21299, 36119, 38627, 56817, 63897, 108357, 112159, 115881, 119947, 191691, 203407, 325071, 336477, 347643, 359841, 610221, 686261, 1009431, 1079523, 1830663, 2058783, 2131021, 2278993, 3864733, 6176349, 6393063, 6836979, 11594199, 12001013, 19179189, 20510937, 34782597, 36003039, 40489399, 73429927, 108009117, 121468197, 220289781, 228019247, 364404591, 660869343, 684057741, 2052173223, 4332365693, 12997097079, 38991291237]

約数ペア:

[(1, 38991291237), (3, 12997097079), (9, 4332365693), (19, 2052173223), (57, 684057741), (59, 660869343), (107, 364404591), (171, 228019247), (177, 220289781), (321, 121468197), (361, 108009117), (531, 73429927), (963, 40489399), (1083, 36003039), (1121, 34782597), (1901, 20510937), (2033, 19179189), (3249, 12001013), (3363, 11594199), (5703, 6836979), (6099, 6393063), (6313, 6176349), (10089, 3864733), (17109, 2278993), (18297, 2131021), (18939, 2058783), (21299, 1830663), (36119, 1079523), (38627, 1009431), (56817, 686261), (63897, 610221), (108357, 359841), (112159, 347643), (115881, 336477), (119947, 325071), (191691, 203407)]