61163865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{691}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 121769856

約数和(自身を除く): 60605991

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 281, 315, 691, 843, 1405, 1967, 2073, 2529, 3455, 4215, 4837, 5901, 6219, 9835, 10365, 12645, 14511, 17703, 24185, 29505, 31095, 43533, 72555, 88515, 194171, 217665, 582513, 970855, 1359197, 1747539, 2912565, 4077591, 6795985, 8737695, 12232773, 20387955, 61163865]

約数ペア:

[(1, 61163865), (3, 20387955), (5, 12232773), (7, 8737695), (9, 6795985), (15, 4077591), (21, 2912565), (35, 1747539), (45, 1359197), (63, 970855), (105, 582513), (281, 217665), (315, 194171), (691, 88515), (843, 72555), (1405, 43533), (1967, 31095), (2073, 29505), (2529, 24185), (3455, 17703), (4215, 14511), (4837, 12645), (5901, 10365), (6219, 9835)]