17721940995

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{54493}}^1$

素因数の和:54594

約数の個数: 80

約数和(自身を含む): 35131627872

約数和(自身を除く): 17409686877

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 73, 81, 99, 135, 165, 219, 297, 365, 405, 495, 657, 803, 891, 1095, 1485, 1971, 2409, 3285, 4015, 4455, 5913, 7227, 9855, 12045, 21681, 29565, 36135, 54493, 65043, 108405, 163479, 272465, 325215, 490437, 599423, 817395, 1471311, 1798269, 2452185, 2997115, 3977989, 4413933, 5394807, 7356555, 8991345, 11933967, 16184421, 19889945, 22069665, 26974035, 35801901, 43757879, 48553263, 59669835, 80922105, 107405703, 131273637, 179009505, 218789395, 242766315, 322217109, 393820911, 537028515, 656368185, 1181462733, 1611085545, 1969104555, 3544388199, 5907313665, 17721940995]

約数ペア:

[(1, 17721940995), (3, 5907313665), (5, 3544388199), (9, 1969104555), (11, 1611085545), (15, 1181462733), (27, 656368185), (33, 537028515), (45, 393820911), (55, 322217109), (73, 242766315), (81, 218789395), (99, 179009505), (135, 131273637), (165, 107405703), (219, 80922105), (297, 59669835), (365, 48553263), (405, 43757879), (495, 35801901), (657, 26974035), (803, 22069665), (891, 19889945), (1095, 16184421), (1485, 11933967), (1971, 8991345), (2409, 7356555), (3285, 5394807), (4015, 4413933), (4455, 3977989), (5913, 2997115), (7227, 2452185), (9855, 1798269), (12045, 1471311), (21681, 817395), (29565, 599423), (36135, 490437), (54493, 325215), (65043, 272465), (108405, 163479)]