1984804575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^2\times {\mathrm{257}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 3588030768

約数和(自身を除く): 1603226193

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 89, 195, 257, 267, 325, 445, 771, 975, 1157, 1285, 1335, 2225, 3341, 3471, 3855, 5785, 6425, 6675, 7921, 10023, 16705, 17355, 19275, 22873, 23763, 28925, 39605, 50115, 68619, 83525, 86775, 102973, 114365, 118815, 198025, 250575, 297349, 308919, 343095, 514865, 571825, 594075, 892047, 1486745, 1544595, 1715475, 2035697, 2574325, 4460235, 6107091, 7433725, 7722975, 10178485, 22301175, 26464061, 30535455, 50892425, 79392183, 132320305, 152677275, 396960915, 661601525, 1984804575]

約数ペア:

[(1, 1984804575), (3, 661601525), (5, 396960915), (13, 152677275), (15, 132320305), (25, 79392183), (39, 50892425), (65, 30535455), (75, 26464061), (89, 22301175), (195, 10178485), (257, 7722975), (267, 7433725), (325, 6107091), (445, 4460235), (771, 2574325), (975, 2035697), (1157, 1715475), (1285, 1544595), (1335, 1486745), (2225, 892047), (3341, 594075), (3471, 571825), (3855, 514865), (5785, 343095), (6425, 308919), (6675, 297349), (7921, 250575), (10023, 198025), (16705, 118815), (17355, 114365), (19275, 102973), (22873, 86775), (23763, 83525), (28925, 68619), (39605, 50115)]