129129975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 251723472

約数和(自身を除く): 122593497

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 131, 195, 225, 325, 337, 393, 585, 655, 975, 1011, 1179, 1685, 1703, 1965, 2925, 3033, 3275, 4381, 5055, 5109, 5895, 8425, 8515, 9825, 13143, 15165, 15327, 21905, 25275, 25545, 29475, 39429, 42575, 44147, 65715, 75825, 76635, 109525, 127725, 132441, 197145, 220735, 328575, 383175, 397323, 573911, 662205, 985725, 1103675, 1721733, 1986615, 2869555, 3311025, 5165199, 8608665, 9933075, 14347775, 25825995, 43043325, 129129975]

約数ペア:

[(1, 129129975), (3, 43043325), (5, 25825995), (9, 14347775), (13, 9933075), (15, 8608665), (25, 5165199), (39, 3311025), (45, 2869555), (65, 1986615), (75, 1721733), (117, 1103675), (131, 985725), (195, 662205), (225, 573911), (325, 397323), (337, 383175), (393, 328575), (585, 220735), (655, 197145), (975, 132441), (1011, 127725), (1179, 109525), (1685, 76635), (1703, 75825), (1965, 65715), (2925, 44147), (3033, 42575), (3275, 39429), (4381, 29475), (5055, 25545), (5109, 25275), (5895, 21905), (8425, 15327), (8515, 15165), (9825, 13143)]