87540705

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:128

約数の個数: 108

約数和(自身を含む): 187665660

約数和(自身を除く): 100124955

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 37, 45, 49, 63, 87, 105, 111, 145, 147, 185, 203, 245, 259, 261, 315, 333, 435, 441, 555, 609, 735, 777, 1015, 1073, 1295, 1305, 1369, 1421, 1665, 1813, 1827, 2205, 2331, 3045, 3219, 3885, 4107, 4263, 5365, 5439, 6845, 7105, 7511, 9065, 9135, 9583, 9657, 11655, 12321, 12789, 16095, 16317, 20535, 21315, 22533, 27195, 28749, 37555, 39701, 47915, 48285, 52577, 61605, 63945, 67081, 67599, 81585, 86247, 112665, 119103, 143745, 157731, 198505, 201243, 262885, 277907, 335405, 337995, 357309, 431235, 473193, 595515, 603729, 788655, 833721, 1006215, 1389535, 1786545, 1945349, 2365965, 2501163, 3018645, 4168605, 5836047, 9726745, 12505815, 17508141, 29180235, 87540705]

約数ペア:

[(1, 87540705), (3, 29180235), (5, 17508141), (7, 12505815), (9, 9726745), (15, 5836047), (21, 4168605), (29, 3018645), (35, 2501163), (37, 2365965), (45, 1945349), (49, 1786545), (63, 1389535), (87, 1006215), (105, 833721), (111, 788655), (145, 603729), (147, 595515), (185, 473193), (203, 431235), (245, 357309), (259, 337995), (261, 335405), (315, 277907), (333, 262885), (435, 201243), (441, 198505), (555, 157731), (609, 143745), (735, 119103), (777, 112665), (1015, 86247), (1073, 81585), (1295, 67599), (1305, 67081), (1369, 63945), (1421, 61605), (1665, 52577), (1813, 48285), (1827, 47915), (2205, 39701), (2331, 37555), (3045, 28749), (3219, 27195), (3885, 22533), (4107, 21315), (4263, 20535), (5365, 16317), (5439, 16095), (6845, 12789), (7105, 12321), (7511, 11655), (9065, 9657), (9135, 9583)]