42979131

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 70761600

約数和(自身を除く): 27782469

約数列:

[1, 3, 9, 13, 29, 39, 53, 87, 117, 159, 239, 261, 377, 477, 689, 717, 1131, 1537, 2067, 2151, 3107, 3393, 4611, 6201, 6931, 9321, 12667, 13833, 19981, 20793, 27963, 38001, 59943, 62379, 90103, 114003, 164671, 179829, 270309, 367343, 494013, 810927, 1102029, 1482039, 3306087, 4775459, 14326377, 42979131]

約数ペア:

[(1, 42979131), (3, 14326377), (9, 4775459), (13, 3306087), (29, 1482039), (39, 1102029), (53, 810927), (87, 494013), (117, 367343), (159, 270309), (239, 179829), (261, 164671), (377, 114003), (477, 90103), (689, 62379), (717, 59943), (1131, 38001), (1537, 27963), (2067, 20793), (2151, 19981), (3107, 13833), (3393, 12667), (4611, 9321), (6201, 6931)]