521998035

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1148

約数の個数: 64

約数和(自身を含む): 937681920

約数和(自身を除く): 415683885

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 71, 111, 185, 195, 213, 355, 481, 555, 923, 1019, 1065, 1443, 2405, 2627, 2769, 3057, 4615, 5095, 7215, 7881, 13135, 13247, 13845, 15285, 34151, 37703, 39405, 39741, 66235, 72349, 102453, 113109, 170755, 188515, 198705, 217047, 361745, 490139, 512265, 565545, 940537, 1085235, 1470417, 2450695, 2676913, 2821611, 4702685, 7352085, 8030739, 13384565, 14108055, 34799869, 40153695, 104399607, 173999345, 521998035]

約数ペア:

[(1, 521998035), (3, 173999345), (5, 104399607), (13, 40153695), (15, 34799869), (37, 14108055), (39, 13384565), (65, 8030739), (71, 7352085), (111, 4702685), (185, 2821611), (195, 2676913), (213, 2450695), (355, 1470417), (481, 1085235), (555, 940537), (923, 565545), (1019, 512265), (1065, 490139), (1443, 361745), (2405, 217047), (2627, 198705), (2769, 188515), (3057, 170755), (4615, 113109), (5095, 102453), (7215, 72349), (7881, 66235), (13135, 39741), (13247, 39405), (13845, 37703), (15285, 34151)]