75821109

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 131658240

約数和(自身を除く): 55837131

約数列:

[1, 3, 7, 13, 21, 29, 39, 61, 87, 91, 157, 183, 203, 273, 377, 427, 471, 609, 793, 1099, 1131, 1281, 1769, 2041, 2379, 2639, 3297, 4553, 5307, 5551, 6123, 7917, 9577, 12383, 13659, 14287, 16653, 22997, 28731, 31871, 37149, 42861, 59189, 67039, 68991, 95613, 124501, 160979, 177567, 201117, 277733, 373503, 414323, 482937, 833199, 871507, 1242969, 1944131, 2614521, 3610529, 5832393, 10831587, 25273703, 75821109]

約数ペア:

[(1, 75821109), (3, 25273703), (7, 10831587), (13, 5832393), (21, 3610529), (29, 2614521), (39, 1944131), (61, 1242969), (87, 871507), (91, 833199), (157, 482937), (183, 414323), (203, 373503), (273, 277733), (377, 201117), (427, 177567), (471, 160979), (609, 124501), (793, 95613), (1099, 68991), (1131, 67039), (1281, 59189), (1769, 42861), (2041, 37149), (2379, 31871), (2639, 28731), (3297, 22997), (4553, 16653), (5307, 14287), (5551, 13659), (6123, 12383), (7917, 9577)]