13381725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 25712640

約数和(自身を除く): 12330915

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 75, 105, 175, 213, 355, 359, 497, 525, 1065, 1077, 1491, 1775, 1795, 2485, 2513, 5325, 5385, 7455, 7539, 8975, 12425, 12565, 25489, 26925, 37275, 37695, 62825, 76467, 127445, 178423, 188475, 382335, 535269, 637225, 892115, 1911675, 2676345, 4460575, 13381725]

約数ペア:

[(1, 13381725), (3, 4460575), (5, 2676345), (7, 1911675), (15, 892115), (21, 637225), (25, 535269), (35, 382335), (71, 188475), (75, 178423), (105, 127445), (175, 76467), (213, 62825), (355, 37695), (359, 37275), (497, 26925), (525, 25489), (1065, 12565), (1077, 12425), (1491, 8975), (1775, 7539), (1795, 7455), (2485, 5385), (2513, 5325)]