81108036

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{79}}^2$

素因数の和:206

約数の個数: 81

約数和(自身を含む): 219155391

約数和(自身を除く): 138047355

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 79, 114, 158, 171, 228, 237, 316, 342, 361, 474, 684, 711, 722, 948, 1083, 1422, 1444, 1501, 2166, 2844, 3002, 3249, 4332, 4503, 6004, 6241, 6498, 9006, 12482, 12996, 13509, 18012, 18723, 24964, 27018, 28519, 37446, 54036, 56169, 57038, 74892, 85557, 112338, 114076, 118579, 171114, 224676, 237158, 256671, 342228, 355737, 474316, 513342, 711474, 1026684, 1067211, 1422948, 2134422, 2253001, 4268844, 4506002, 6759003, 9012004, 13518006, 20277009, 27036012, 40554018, 81108036]

約数ペア:

[(1, 81108036), (2, 40554018), (3, 27036012), (4, 20277009), (6, 13518006), (9, 9012004), (12, 6759003), (18, 4506002), (19, 4268844), (36, 2253001), (38, 2134422), (57, 1422948), (76, 1067211), (79, 1026684), (114, 711474), (158, 513342), (171, 474316), (228, 355737), (237, 342228), (316, 256671), (342, 237158), (361, 224676), (474, 171114), (684, 118579), (711, 114076), (722, 112338), (948, 85557), (1083, 74892), (1422, 57038), (1444, 56169), (1501, 54036), (2166, 37446), (2844, 28519), (3002, 27018), (3249, 24964), (4332, 18723), (4503, 18012), (6004, 13509), (6241, 12996), (6498, 12482)]