8989785

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{151}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 18922176

約数和(自身を除く): 9932391

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 151, 189, 243, 245, 315, 405, 441, 453, 567, 735, 755, 945, 1057, 1215, 1323, 1359, 1701, 2205, 2265, 2835, 3171, 3969, 4077, 5285, 6615, 6795, 7399, 8505, 9513, 11907, 12231, 15855, 19845, 20385, 22197, 28539, 36693, 36995, 47565, 59535, 61155, 66591, 85617, 110985, 142695, 183465, 199773, 256851, 332955, 428085, 599319, 998865, 1284255, 1797957, 2996595, 8989785]

約数ペア:

[(1, 8989785), (3, 2996595), (5, 1797957), (7, 1284255), (9, 998865), (15, 599319), (21, 428085), (27, 332955), (35, 256851), (45, 199773), (49, 183465), (63, 142695), (81, 110985), (105, 85617), (135, 66591), (147, 61155), (151, 59535), (189, 47565), (243, 36995), (245, 36693), (315, 28539), (405, 22197), (441, 20385), (453, 19845), (567, 15855), (735, 12231), (755, 11907), (945, 9513), (1057, 8505), (1215, 7399), (1323, 6795), (1359, 6615), (1701, 5285), (2205, 4077), (2265, 3969), (2835, 3171)]