727898745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 1358622720

約数和(自身を除く): 630723975

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 251, 355, 389, 497, 753, 1065, 1167, 1255, 1491, 1757, 1945, 2485, 2723, 3765, 5271, 5835, 7455, 8169, 8785, 13615, 17821, 26355, 27619, 40845, 53463, 82857, 89105, 97639, 124747, 138095, 193333, 267315, 292917, 374241, 414285, 488195, 579999, 623735, 683473, 966665, 1464585, 1871205, 2050419, 2899995, 3417365, 6932369, 10252095, 20797107, 34661845, 48526583, 103985535, 145579749, 242632915, 727898745]

約数ペア:

[(1, 727898745), (3, 242632915), (5, 145579749), (7, 103985535), (15, 48526583), (21, 34661845), (35, 20797107), (71, 10252095), (105, 6932369), (213, 3417365), (251, 2899995), (355, 2050419), (389, 1871205), (497, 1464585), (753, 966665), (1065, 683473), (1167, 623735), (1255, 579999), (1491, 488195), (1757, 414285), (1945, 374241), (2485, 292917), (2723, 267315), (3765, 193333), (5271, 138095), (5835, 124747), (7455, 97639), (8169, 89105), (8785, 82857), (13615, 53463), (17821, 40845), (26355, 27619)]