1388891475

素因数分解:

$3^3\times 5^2\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 2612332800

約数和(自身を除く): 1223441325

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 113, 131, 135, 139, 225, 339, 393, 417, 565, 655, 675, 695, 1017, 1179, 1251, 1695, 1965, 2085, 2825, 3051, 3275, 3475, 3537, 3753, 5085, 5895, 6255, 8475, 9825, 10425, 14803, 15255, 15707, 17685, 18209, 18765, 25425, 29475, 31275, 44409, 47121, 54627, 74015, 76275, 78535, 88425, 91045, 93825, 133227, 141363, 163881, 222045, 235605, 273135, 370075, 392675, 399681, 424089, 455225, 491643, 666135, 706815, 819405, 1110225, 1178025, 1365675, 1998405, 2057617, 2120445, 2458215, 3330675, 3534075, 4097025, 6172851, 9992025, 10288085, 10602225, 12291075, 18518553, 30864255, 51440425, 55555659, 92592765, 154321275, 277778295, 462963825, 1388891475]

約数ペア:

[(1, 1388891475), (3, 462963825), (5, 277778295), (9, 154321275), (15, 92592765), (25, 55555659), (27, 51440425), (45, 30864255), (75, 18518553), (113, 12291075), (131, 10602225), (135, 10288085), (139, 9992025), (225, 6172851), (339, 4097025), (393, 3534075), (417, 3330675), (565, 2458215), (655, 2120445), (675, 2057617), (695, 1998405), (1017, 1365675), (1179, 1178025), (1251, 1110225), (1695, 819405), (1965, 706815), (2085, 666135), (2825, 491643), (3051, 455225), (3275, 424089), (3475, 399681), (3537, 392675), (3753, 370075), (5085, 273135), (5895, 235605), (6255, 222045), (8475, 163881), (9825, 141363), (10425, 133227), (14803, 93825), (15255, 91045), (15707, 88425), (17685, 78535), (18209, 76275), (18765, 74015), (25425, 54627), (29475, 47121), (31275, 44409)]