331523715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{21313}}^1$

素因数の和:21399

約数の個数: 32

約数和(自身を含む): 570874176

約数和(自身を除く): 239350461

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1037, 3111, 5185, 15555, 21313, 63939, 106565, 319695, 362321, 1086963, 1300093, 1811605, 3900279, 5434815, 6500465, 19501395, 22101581, 66304743, 110507905, 331523715]

約数ペア:

[(1, 331523715), (3, 110507905), (5, 66304743), (15, 22101581), (17, 19501395), (51, 6500465), (61, 5434815), (85, 3900279), (183, 1811605), (255, 1300093), (305, 1086963), (915, 362321), (1037, 319695), (3111, 106565), (5185, 63939), (15555, 21313)]