678972645

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5449}}^1$

素因数の和:5547

約数の個数: 64

約数和(自身を含む): 1318464000

約数和(自身を除く): 639491355

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 71, 117, 135, 195, 213, 351, 355, 585, 639, 923, 1065, 1755, 1917, 2769, 3195, 4615, 5449, 8307, 9585, 13845, 16347, 24921, 27245, 41535, 49041, 70837, 81735, 124605, 147123, 212511, 245205, 354185, 386879, 637533, 735615, 1062555, 1160637, 1912599, 1934395, 3187665, 3481911, 5029427, 5803185, 9562995, 10445733, 15088281, 17409555, 25147135, 45264843, 52228665, 75441405, 135794529, 226324215, 678972645]

約数ペア:

[(1, 678972645), (3, 226324215), (5, 135794529), (9, 75441405), (13, 52228665), (15, 45264843), (27, 25147135), (39, 17409555), (45, 15088281), (65, 10445733), (71, 9562995), (117, 5803185), (135, 5029427), (195, 3481911), (213, 3187665), (351, 1934395), (355, 1912599), (585, 1160637), (639, 1062555), (923, 735615), (1065, 637533), (1755, 386879), (1917, 354185), (2769, 245205), (3195, 212511), (4615, 147123), (5449, 124605), (8307, 81735), (9585, 70837), (13845, 49041), (16347, 41535), (24921, 27245)]