201972285

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16087}}^1$

素因数の和:16135

約数の個数: 40

約数和(自身を含む): 373756416

約数和(自身を除く): 171784131

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2511, 4185, 12555, 16087, 48261, 80435, 144783, 241305, 434349, 498697, 723915, 1303047, 1496091, 2171745, 2493485, 4488273, 6515235, 7480455, 13464819, 22441365, 40394457, 67324095, 201972285]

約数ペア:

[(1, 201972285), (3, 67324095), (5, 40394457), (9, 22441365), (15, 13464819), (27, 7480455), (31, 6515235), (45, 4488273), (81, 2493485), (93, 2171745), (135, 1496091), (155, 1303047), (279, 723915), (405, 498697), (465, 434349), (837, 241305), (1395, 144783), (2511, 80435), (4185, 48261), (12555, 16087)]