31555485

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 34488675

約数列:

[1, 3, 5, 9, 13, 15, 17, 19, 39, 45, 51, 57, 65, 85, 95, 117, 153, 167, 171, 195, 221, 247, 255, 285, 323, 501, 585, 663, 741, 765, 835, 855, 969, 1105, 1235, 1503, 1615, 1989, 2171, 2223, 2505, 2839, 2907, 3173, 3315, 3705, 4199, 4845, 6513, 7515, 8517, 9519, 9945, 10855, 11115, 12597, 14195, 14535, 15865, 19539, 20995, 25551, 28557, 32565, 36907, 37791, 41249, 42585, 47595, 53941, 62985, 97695, 110721, 123747, 127755, 142785, 161823, 184535, 188955, 206245, 269705, 332163, 371241, 485469, 553605, 618735, 701233, 809115, 1660815, 1856205, 2103699, 2427345, 3506165, 6311097, 10518495, 31555485]

約数ペア:

[(1, 31555485), (3, 10518495), (5, 6311097), (9, 3506165), (13, 2427345), (15, 2103699), (17, 1856205), (19, 1660815), (39, 809115), (45, 701233), (51, 618735), (57, 553605), (65, 485469), (85, 371241), (95, 332163), (117, 269705), (153, 206245), (167, 188955), (171, 184535), (195, 161823), (221, 142785), (247, 127755), (255, 123747), (285, 110721), (323, 97695), (501, 62985), (585, 53941), (663, 47595), (741, 42585), (765, 41249), (835, 37791), (855, 36907), (969, 32565), (1105, 28557), (1235, 25551), (1503, 20995), (1615, 19539), (1989, 15865), (2171, 14535), (2223, 14195), (2505, 12597), (2839, 11115), (2907, 10855), (3173, 9945), (3315, 9519), (3705, 8517), (4199, 7515), (4845, 6513)]