28459725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 54282240

約数和(自身を除く): 25822515

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 151, 175, 359, 453, 525, 755, 1057, 1077, 1795, 2265, 2513, 3171, 3775, 5285, 5385, 7539, 8975, 11325, 12565, 15855, 26425, 26925, 37695, 54209, 62825, 79275, 162627, 188475, 271045, 379463, 813135, 1138389, 1355225, 1897315, 4065675, 5691945, 9486575, 28459725]

約数ペア:

[(1, 28459725), (3, 9486575), (5, 5691945), (7, 4065675), (15, 1897315), (21, 1355225), (25, 1138389), (35, 813135), (75, 379463), (105, 271045), (151, 188475), (175, 162627), (359, 79275), (453, 62825), (525, 54209), (755, 37695), (1057, 26925), (1077, 26425), (1795, 15855), (2265, 12565), (2513, 11325), (3171, 8975), (3775, 7539), (5285, 5385)]