312390729

素因数分解:

$3^3\times 7^2\times {\mathrm{389}}^1\times {\mathrm{607}}^1$

素因数の和:1019

約数の個数: 48

約数和(自身を含む): 540633600

約数和(自身を除く): 228242871

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 389, 441, 607, 1167, 1323, 1821, 2723, 3501, 4249, 5463, 8169, 10503, 12747, 16389, 19061, 24507, 29743, 38241, 57183, 73521, 89229, 114723, 171549, 236123, 267687, 514647, 708369, 803061, 1652861, 2125107, 4958583, 6375321, 11570027, 14875749, 34710081, 44627247, 104130243, 312390729]

約数ペア:

[(1, 312390729), (3, 104130243), (7, 44627247), (9, 34710081), (21, 14875749), (27, 11570027), (49, 6375321), (63, 4958583), (147, 2125107), (189, 1652861), (389, 803061), (441, 708369), (607, 514647), (1167, 267687), (1323, 236123), (1821, 171549), (2723, 114723), (3501, 89229), (4249, 73521), (5463, 57183), (8169, 38241), (10503, 29743), (12747, 24507), (16389, 19061)]