15709815

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 15394185

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 71, 99, 135, 149, 165, 213, 297, 355, 447, 495, 639, 745, 781, 1065, 1341, 1485, 1639, 1917, 2235, 2343, 3195, 3905, 4023, 4917, 6705, 7029, 8195, 9585, 10579, 11715, 14751, 20115, 21087, 24585, 31737, 35145, 44253, 52895, 73755, 95211, 105435, 116369, 158685, 221265, 285633, 349107, 476055, 581845, 1047321, 1428165, 1745535, 3141963, 5236605, 15709815]

約数ペア:

[(1, 15709815), (3, 5236605), (5, 3141963), (9, 1745535), (11, 1428165), (15, 1047321), (27, 581845), (33, 476055), (45, 349107), (55, 285633), (71, 221265), (99, 158685), (135, 116369), (149, 105435), (165, 95211), (213, 73755), (297, 52895), (355, 44253), (447, 35145), (495, 31737), (639, 24585), (745, 21087), (781, 20115), (1065, 14751), (1341, 11715), (1485, 10579), (1639, 9585), (1917, 8195), (2235, 7029), (2343, 6705), (3195, 4917), (3905, 4023)]