1999163943

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{1237}}^1$

素因数の和:1773

約数の個数: 64

約数和(自身を含む): 3593963520

約数和(自身を除く): 1594799577

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 503, 1071, 1237, 1509, 3213, 3521, 3711, 4527, 8551, 8659, 10563, 11133, 13581, 21029, 25653, 25977, 31689, 33399, 59857, 63087, 76959, 77931, 95067, 147203, 179571, 189261, 230877, 233793, 441609, 538713, 567783, 622211, 1324827, 1616139, 1866633, 3974481, 4355477, 5599899, 10577587, 13066431, 16799697, 31732761, 39199293, 74043109, 95198283, 117597879, 222129327, 285594849, 666387981, 1999163943]

約数ペア:

[(1, 1999163943), (3, 666387981), (7, 285594849), (9, 222129327), (17, 117597879), (21, 95198283), (27, 74043109), (51, 39199293), (63, 31732761), (119, 16799697), (153, 13066431), (189, 10577587), (357, 5599899), (459, 4355477), (503, 3974481), (1071, 1866633), (1237, 1616139), (1509, 1324827), (3213, 622211), (3521, 567783), (3711, 538713), (4527, 441609), (8551, 233793), (8659, 230877), (10563, 189261), (11133, 179571), (13581, 147203), (21029, 95067), (25653, 77931), (25977, 76959), (31689, 63087), (33399, 59857)]