77612985

素因数分解:

$3^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 56

約数和(自身を含む): 141652800

約数和(自身を除く): 64039815

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 107, 135, 199, 243, 321, 405, 535, 597, 729, 963, 995, 1215, 1605, 1791, 2889, 2985, 3645, 4815, 5373, 8667, 8955, 14445, 16119, 21293, 26001, 26865, 43335, 48357, 63879, 78003, 80595, 106465, 130005, 145071, 191637, 241785, 319395, 390015, 574911, 725355, 958185, 1724733, 2874555, 5174199, 8623665, 15522597, 25870995, 77612985]

約数ペア:

[(1, 77612985), (3, 25870995), (5, 15522597), (9, 8623665), (15, 5174199), (27, 2874555), (45, 1724733), (81, 958185), (107, 725355), (135, 574911), (199, 390015), (243, 319395), (321, 241785), (405, 191637), (535, 145071), (597, 130005), (729, 106465), (963, 80595), (995, 78003), (1215, 63879), (1605, 48357), (1791, 43335), (2889, 26865), (2985, 26001), (3645, 21293), (4815, 16119), (5373, 14445), (8667, 8955)]