2018990025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{30011}}^1$

素因数の和:30063

約数の個数: 72

約数和(自身を含む): 4063864896

約数和(自身を除く): 2044874871

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 195, 207, 225, 299, 325, 345, 575, 585, 897, 975, 1035, 1495, 1725, 2691, 2925, 4485, 5175, 7475, 13455, 22425, 30011, 67275, 90033, 150055, 270099, 390143, 450165, 690253, 750275, 1170429, 1350495, 1950715, 2070759, 2250825, 3451265, 3511287, 5852145, 6212277, 6752475, 8973289, 9753575, 10353795, 17256325, 17556435, 26919867, 29260725, 31061385, 44866445, 51768975, 80759601, 87782175, 134599335, 155306925, 224332225, 403798005, 672996675, 2018990025]

約数ペア:

[(1, 2018990025), (3, 672996675), (5, 403798005), (9, 224332225), (13, 155306925), (15, 134599335), (23, 87782175), (25, 80759601), (39, 51768975), (45, 44866445), (65, 31061385), (69, 29260725), (75, 26919867), (115, 17556435), (117, 17256325), (195, 10353795), (207, 9753575), (225, 8973289), (299, 6752475), (325, 6212277), (345, 5852145), (575, 3511287), (585, 3451265), (897, 2250825), (975, 2070759), (1035, 1950715), (1495, 1350495), (1725, 1170429), (2691, 750275), (2925, 690253), (4485, 450165), (5175, 390143), (7475, 270099), (13455, 150055), (22425, 90033), (30011, 67275)]