2021146125

素因数分解:

$3^1\times 5^3\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 3424861440

約数和(自身を除く): 1403715315

約数列:

[1, 3, 5, 15, 25, 75, 109, 125, 197, 251, 327, 375, 545, 591, 753, 985, 1255, 1635, 2725, 2955, 3765, 4925, 6275, 8175, 13625, 14775, 18825, 21473, 24625, 27359, 31375, 40875, 49447, 64419, 73875, 82077, 94125, 107365, 136795, 148341, 247235, 322095, 410385, 536825, 683975, 741705, 1236175, 1610475, 2051925, 2684125, 3419875, 3708525, 5389723, 6180875, 8052375, 10259625, 16169169, 18542625, 26948615, 80845845, 134743075, 404229225, 673715375, 2021146125]

約数ペア:

[(1, 2021146125), (3, 673715375), (5, 404229225), (15, 134743075), (25, 80845845), (75, 26948615), (109, 18542625), (125, 16169169), (197, 10259625), (251, 8052375), (327, 6180875), (375, 5389723), (545, 3708525), (591, 3419875), (753, 2684125), (985, 2051925), (1255, 1610475), (1635, 1236175), (2725, 741705), (2955, 683975), (3765, 536825), (4925, 410385), (6275, 322095), (8175, 247235), (13625, 148341), (14775, 136795), (18825, 107365), (21473, 94125), (24625, 82077), (27359, 73875), (31375, 64419), (40875, 49447)]