1381001475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{37049}}^1$

素因数の和:37140

約数の個数: 48

約数和(自身を含む): 2646259200

約数和(自身を除く): 1265257725

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 75, 105, 175, 213, 355, 497, 525, 1065, 1491, 1775, 2485, 5325, 7455, 12425, 37049, 37275, 111147, 185245, 259343, 555735, 778029, 926225, 1296715, 2630479, 2778675, 3890145, 6483575, 7891437, 13152395, 18413353, 19450725, 39457185, 55240059, 65761975, 92066765, 197285925, 276200295, 460333825, 1381001475]

約数ペア:

[(1, 1381001475), (3, 460333825), (5, 276200295), (7, 197285925), (15, 92066765), (21, 65761975), (25, 55240059), (35, 39457185), (71, 19450725), (75, 18413353), (105, 13152395), (175, 7891437), (213, 6483575), (355, 3890145), (497, 2778675), (525, 2630479), (1065, 1296715), (1491, 926225), (1775, 778029), (2485, 555735), (5325, 259343), (7455, 185245), (12425, 111147), (37049, 37275)]