81730845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 175219200

約数和(自身を除く): 93488355

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 29, 35, 45, 63, 69, 87, 105, 115, 145, 161, 203, 207, 261, 315, 345, 389, 435, 483, 609, 667, 805, 1015, 1035, 1167, 1305, 1449, 1827, 1945, 2001, 2415, 2723, 3045, 3335, 3501, 4669, 5835, 6003, 7245, 8169, 8947, 9135, 10005, 11281, 13615, 14007, 17505, 23345, 24507, 26841, 30015, 33843, 40845, 42021, 44735, 56405, 62629, 70035, 78967, 80523, 101529, 122535, 134205, 169215, 187887, 210105, 236901, 259463, 313145, 394835, 402615, 507645, 563661, 710703, 778389, 939435, 1184505, 1297315, 1816241, 2335167, 2818305, 3553515, 3891945, 5448723, 9081205, 11675835, 16346169, 27243615, 81730845]

約数ペア:

[(1, 81730845), (3, 27243615), (5, 16346169), (7, 11675835), (9, 9081205), (15, 5448723), (21, 3891945), (23, 3553515), (29, 2818305), (35, 2335167), (45, 1816241), (63, 1297315), (69, 1184505), (87, 939435), (105, 778389), (115, 710703), (145, 563661), (161, 507645), (203, 402615), (207, 394835), (261, 313145), (315, 259463), (345, 236901), (389, 210105), (435, 187887), (483, 169215), (609, 134205), (667, 122535), (805, 101529), (1015, 80523), (1035, 78967), (1167, 70035), (1305, 62629), (1449, 56405), (1827, 44735), (1945, 42021), (2001, 40845), (2415, 33843), (2723, 30015), (3045, 26841), (3335, 24507), (3501, 23345), (4669, 17505), (5835, 14007), (6003, 13615), (7245, 11281), (8169, 10005), (8947, 9135)]