17968545

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 37613160

約数和(自身を除く): 19644615

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 49, 63, 87, 105, 145, 147, 203, 245, 261, 281, 315, 435, 441, 609, 735, 843, 1015, 1305, 1405, 1421, 1827, 1967, 2205, 2529, 3045, 4215, 4263, 5901, 7105, 8149, 9135, 9835, 12645, 12789, 13769, 17703, 21315, 24447, 29505, 40745, 41307, 57043, 63945, 68845, 73341, 88515, 122235, 123921, 171129, 206535, 285215, 366705, 399301, 513387, 619605, 855645, 1197903, 1996505, 2566935, 3593709, 5989515, 17968545]

約数ペア:

[(1, 17968545), (3, 5989515), (5, 3593709), (7, 2566935), (9, 1996505), (15, 1197903), (21, 855645), (29, 619605), (35, 513387), (45, 399301), (49, 366705), (63, 285215), (87, 206535), (105, 171129), (145, 123921), (147, 122235), (203, 88515), (245, 73341), (261, 68845), (281, 63945), (315, 57043), (435, 41307), (441, 40745), (609, 29505), (735, 24447), (843, 21315), (1015, 17703), (1305, 13769), (1405, 12789), (1421, 12645), (1827, 9835), (1967, 9135), (2205, 8149), (2529, 7105), (3045, 5901), (4215, 4263)]