23420835

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 42625440

約数和(自身を除く): 19204605

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 131, 137, 145, 261, 393, 411, 435, 655, 685, 1179, 1233, 1305, 1965, 2055, 3799, 3973, 5895, 6165, 11397, 11919, 17947, 18995, 19865, 34191, 35757, 53841, 56985, 59595, 89735, 161523, 170955, 178785, 269205, 520463, 807615, 1561389, 2602315, 4684167, 7806945, 23420835]

約数ペア:

[(1, 23420835), (3, 7806945), (5, 4684167), (9, 2602315), (15, 1561389), (29, 807615), (45, 520463), (87, 269205), (131, 178785), (137, 170955), (145, 161523), (261, 89735), (393, 59595), (411, 56985), (435, 53841), (655, 35757), (685, 34191), (1179, 19865), (1233, 18995), (1305, 17947), (1965, 11919), (2055, 11397), (3799, 6165), (3973, 5895)]