201612645

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 393346800

約数和(自身を除く): 191734155

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 149, 195, 257, 351, 405, 447, 585, 745, 771, 1053, 1285, 1341, 1755, 1937, 2235, 2313, 3341, 3855, 4023, 5265, 5811, 6705, 6939, 9685, 10023, 11565, 12069, 16705, 17433, 20115, 20817, 29055, 30069, 34695, 38293, 50115, 52299, 60345, 87165, 90207, 104085, 114879, 150345, 156897, 191465, 261495, 270621, 344637, 451035, 497809, 574395, 784485, 1033911, 1353105, 1493427, 1723185, 2489045, 3101733, 4480281, 5169555, 7467135, 13440843, 15508665, 22401405, 40322529, 67204215, 201612645]

約数ペア:

[(1, 201612645), (3, 67204215), (5, 40322529), (9, 22401405), (13, 15508665), (15, 13440843), (27, 7467135), (39, 5169555), (45, 4480281), (65, 3101733), (81, 2489045), (117, 1723185), (135, 1493427), (149, 1353105), (195, 1033911), (257, 784485), (351, 574395), (405, 497809), (447, 451035), (585, 344637), (745, 270621), (771, 261495), (1053, 191465), (1285, 156897), (1341, 150345), (1755, 114879), (1937, 104085), (2235, 90207), (2313, 87165), (3341, 60345), (3855, 52299), (4023, 50115), (5265, 38293), (5811, 34695), (6705, 30069), (6939, 29055), (9685, 20817), (10023, 20115), (11565, 17433), (12069, 16705)]