211245375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{617}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 388717056

約数和(自身を除く): 177471681

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 83, 125, 165, 249, 275, 375, 415, 617, 825, 913, 1245, 1375, 1851, 2075, 2739, 3085, 4125, 4565, 6225, 6787, 9255, 10375, 13695, 15425, 20361, 22825, 31125, 33935, 46275, 51211, 68475, 77125, 101805, 114125, 153633, 169675, 231375, 256055, 342375, 509025, 563321, 768165, 848375, 1280275, 1689963, 2545125, 2816605, 3840825, 6401375, 8449815, 14083025, 19204125, 42249075, 70415125, 211245375]

約数ペア:

[(1, 211245375), (3, 70415125), (5, 42249075), (11, 19204125), (15, 14083025), (25, 8449815), (33, 6401375), (55, 3840825), (75, 2816605), (83, 2545125), (125, 1689963), (165, 1280275), (249, 848375), (275, 768165), (375, 563321), (415, 509025), (617, 342375), (825, 256055), (913, 231375), (1245, 169675), (1375, 153633), (1851, 114125), (2075, 101805), (2739, 77125), (3085, 68475), (4125, 51211), (4565, 46275), (6225, 33935), (6787, 31125), (9255, 22825), (10375, 20361), (13695, 15425)]