172570905

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 338461200

約数和(自身を除く): 165890295

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 73, 81, 117, 135, 195, 219, 351, 365, 405, 449, 585, 657, 949, 1053, 1095, 1347, 1755, 1971, 2245, 2847, 3285, 4041, 4745, 5265, 5837, 5913, 6735, 8541, 9855, 12123, 14235, 17511, 20205, 25623, 29185, 29565, 32777, 36369, 42705, 52533, 60615, 76869, 87555, 98331, 128115, 157599, 163885, 181845, 262665, 294993, 384345, 426101, 472797, 491655, 787995, 884979, 1278303, 1474965, 2130505, 2363985, 2654937, 3834909, 4424895, 6391515, 11504727, 13274685, 19174545, 34514181, 57523635, 172570905]

約数ペア:

[(1, 172570905), (3, 57523635), (5, 34514181), (9, 19174545), (13, 13274685), (15, 11504727), (27, 6391515), (39, 4424895), (45, 3834909), (65, 2654937), (73, 2363985), (81, 2130505), (117, 1474965), (135, 1278303), (195, 884979), (219, 787995), (351, 491655), (365, 472797), (405, 426101), (449, 384345), (585, 294993), (657, 262665), (949, 181845), (1053, 163885), (1095, 157599), (1347, 128115), (1755, 98331), (1971, 87555), (2245, 76869), (2847, 60615), (3285, 52533), (4041, 42705), (4745, 36369), (5265, 32777), (5837, 29565), (5913, 29185), (6735, 25623), (8541, 20205), (9855, 17511), (12123, 14235)]