26728515

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 26493885

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 41, 45, 55, 99, 123, 135, 165, 205, 297, 369, 439, 451, 495, 615, 1107, 1317, 1353, 1485, 1845, 2195, 2255, 3951, 4059, 4829, 5535, 6585, 6765, 11853, 12177, 14487, 17999, 19755, 20295, 24145, 43461, 53997, 59265, 60885, 72435, 89995, 130383, 161991, 197989, 217305, 269985, 485973, 593967, 651915, 809955, 989945, 1781901, 2429865, 2969835, 5345703, 8909505, 26728515]

約数ペア:

[(1, 26728515), (3, 8909505), (5, 5345703), (9, 2969835), (11, 2429865), (15, 1781901), (27, 989945), (33, 809955), (41, 651915), (45, 593967), (55, 485973), (99, 269985), (123, 217305), (135, 197989), (165, 161991), (205, 130383), (297, 89995), (369, 72435), (439, 60885), (451, 59265), (495, 53997), (615, 43461), (1107, 24145), (1317, 20295), (1353, 19755), (1485, 17999), (1845, 14487), (2195, 12177), (2255, 11853), (3951, 6765), (4059, 6585), (4829, 5535)]