25563915

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 48353760

約数和(自身を除く): 22789845

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 89, 117, 195, 267, 445, 491, 585, 801, 1157, 1335, 1473, 2455, 3471, 4005, 4419, 5785, 6383, 7365, 10413, 17355, 19149, 22095, 31915, 43699, 52065, 57447, 95745, 131097, 218495, 287235, 393291, 568087, 655485, 1704261, 1966455, 2840435, 5112783, 8521305, 25563915]

約数ペア:

[(1, 25563915), (3, 8521305), (5, 5112783), (9, 2840435), (13, 1966455), (15, 1704261), (39, 655485), (45, 568087), (65, 393291), (89, 287235), (117, 218495), (195, 131097), (267, 95745), (445, 57447), (491, 52065), (585, 43699), (801, 31915), (1157, 22095), (1335, 19149), (1473, 17355), (2455, 10413), (3471, 7365), (4005, 6383), (4419, 5785)]