51539085

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 100717344

約数和(自身を除く): 49178259

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 169, 195, 243, 251, 351, 405, 507, 585, 753, 845, 1053, 1215, 1255, 1521, 1755, 2259, 2535, 3159, 3263, 3765, 4563, 5265, 6777, 7605, 9789, 11295, 13689, 15795, 16315, 20331, 22815, 29367, 33885, 41067, 42419, 48945, 60993, 68445, 88101, 101655, 127257, 146835, 205335, 212095, 264303, 304965, 381771, 440505, 636285, 792909, 1145313, 1321515, 1908855, 3435939, 3964545, 5726565, 10307817, 17179695, 51539085]

約数ペア:

[(1, 51539085), (3, 17179695), (5, 10307817), (9, 5726565), (13, 3964545), (15, 3435939), (27, 1908855), (39, 1321515), (45, 1145313), (65, 792909), (81, 636285), (117, 440505), (135, 381771), (169, 304965), (195, 264303), (243, 212095), (251, 205335), (351, 146835), (405, 127257), (507, 101655), (585, 88101), (753, 68445), (845, 60993), (1053, 48945), (1215, 42419), (1255, 41067), (1521, 33885), (1755, 29367), (2259, 22815), (2535, 20331), (3159, 16315), (3263, 15795), (3765, 13689), (4563, 11295), (5265, 9789), (6777, 7605)]