201979785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:910

約数の個数: 64

約数和(自身を含む): 392140800

約数和(自身を除く): 190161015

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 137, 285, 399, 411, 665, 685, 739, 959, 1995, 2055, 2217, 2603, 2877, 3695, 4795, 5173, 7809, 11085, 13015, 14041, 14385, 15519, 18221, 25865, 39045, 42123, 54663, 70205, 77595, 91105, 98287, 101243, 210615, 273315, 294861, 303729, 491435, 506215, 708701, 1474305, 1518645, 1923617, 2126103, 3543505, 5770851, 9618085, 10630515, 13465319, 28854255, 40395957, 67326595, 201979785]

約数ペア:

[(1, 201979785), (3, 67326595), (5, 40395957), (7, 28854255), (15, 13465319), (19, 10630515), (21, 9618085), (35, 5770851), (57, 3543505), (95, 2126103), (105, 1923617), (133, 1518645), (137, 1474305), (285, 708701), (399, 506215), (411, 491435), (665, 303729), (685, 294861), (739, 273315), (959, 210615), (1995, 101243), (2055, 98287), (2217, 91105), (2603, 77595), (2877, 70205), (3695, 54663), (4795, 42123), (5173, 39045), (7809, 25865), (11085, 18221), (13015, 15519), (14041, 14385)]