217439125

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1427}}^1$

素因数の和:1518

約数の個数: 32

約数和(自身を含む): 288707328

約数和(自身を除く): 71268203

約数列:

[1, 5, 23, 25, 53, 115, 125, 265, 575, 1219, 1325, 1427, 2875, 6095, 6625, 7135, 30475, 32821, 35675, 75631, 152375, 164105, 178375, 378155, 820525, 1739513, 1890775, 4102625, 8697565, 9453875, 43487825, 217439125]

約数ペア:

[(1, 217439125), (5, 43487825), (23, 9453875), (25, 8697565), (53, 4102625), (115, 1890775), (125, 1739513), (265, 820525), (575, 378155), (1219, 178375), (1325, 164105), (1427, 152375), (2875, 75631), (6095, 35675), (6625, 32821), (7135, 30475)]