1878554025

素因数分解:

$3^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{10663}}^1$

素因数の和:10717

約数の個数: 72

約数和(自身を含む): 3609977280

約数和(自身を除く): 1731423255

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 135, 145, 225, 243, 261, 405, 435, 675, 725, 783, 1215, 1305, 2025, 2175, 2349, 3915, 6075, 6525, 7047, 10663, 11745, 19575, 31989, 35235, 53315, 58725, 95967, 159945, 176175, 266575, 287901, 309227, 479835, 799725, 863703, 927681, 1439505, 1546135, 2399175, 2591109, 2783043, 4318515, 4638405, 7197525, 7730675, 8349129, 12955545, 13915215, 21592575, 23192025, 25047387, 41745645, 64777725, 69576075, 75142161, 125236935, 208728225, 375710805, 626184675, 1878554025]

約数ペア:

[(1, 1878554025), (3, 626184675), (5, 375710805), (9, 208728225), (15, 125236935), (25, 75142161), (27, 69576075), (29, 64777725), (45, 41745645), (75, 25047387), (81, 23192025), (87, 21592575), (135, 13915215), (145, 12955545), (225, 8349129), (243, 7730675), (261, 7197525), (405, 4638405), (435, 4318515), (675, 2783043), (725, 2591109), (783, 2399175), (1215, 1546135), (1305, 1439505), (2025, 927681), (2175, 863703), (2349, 799725), (3915, 479835), (6075, 309227), (6525, 287901), (7047, 266575), (10663, 176175), (11745, 159945), (19575, 95967), (31989, 58725), (35235, 53315)]