81388885374

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{362221}}^1$

素因数の和:362327

約数の個数: 80

約数和(自身を含む): 194600147280

約数和(自身を除く): 113211261906

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 73, 81, 114, 146, 162, 171, 219, 342, 438, 513, 657, 1026, 1314, 1387, 1539, 1971, 2774, 3078, 3942, 4161, 5913, 8322, 11826, 12483, 24966, 37449, 74898, 112347, 224694, 362221, 724442, 1086663, 2173326, 3259989, 6519978, 6882199, 9779967, 13764398, 19559934, 20646597, 26442133, 29339901, 41293194, 52884266, 58679802, 61939791, 79326399, 123879582, 158652798, 185819373, 237979197, 371638746, 475958394, 502400527, 557458119, 713937591, 1004801054, 1114916238, 1427875182, 1507201581, 2141812773, 3014403162, 4283625546, 4521604743, 9043209486, 13564814229, 27129628458, 40694442687, 81388885374]

約数ペア:

[(1, 81388885374), (2, 40694442687), (3, 27129628458), (6, 13564814229), (9, 9043209486), (18, 4521604743), (19, 4283625546), (27, 3014403162), (38, 2141812773), (54, 1507201581), (57, 1427875182), (73, 1114916238), (81, 1004801054), (114, 713937591), (146, 557458119), (162, 502400527), (171, 475958394), (219, 371638746), (342, 237979197), (438, 185819373), (513, 158652798), (657, 123879582), (1026, 79326399), (1314, 61939791), (1387, 58679802), (1539, 52884266), (1971, 41293194), (2774, 29339901), (3078, 26442133), (3942, 20646597), (4161, 19559934), (5913, 13764398), (8322, 9779967), (11826, 6882199), (12483, 6519978), (24966, 3259989), (37449, 2173326), (74898, 1086663), (112347, 724442), (224694, 362221)]