51874389

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 94610880

約数和(自身を除く): 42736491

約数列:

[1, 3, 7, 9, 19, 21, 41, 49, 57, 63, 123, 133, 147, 151, 171, 287, 369, 399, 441, 453, 779, 861, 931, 1057, 1197, 1359, 2009, 2337, 2583, 2793, 2869, 3171, 5453, 6027, 6191, 7011, 7399, 8379, 8607, 9513, 16359, 18081, 18573, 20083, 22197, 25821, 38171, 43337, 49077, 55719, 60249, 66591, 114513, 117629, 130011, 140581, 180747, 303359, 343539, 352887, 390033, 421743, 823403, 910077, 1058661, 1265229, 2470209, 2730231, 5763821, 7410627, 17291463, 51874389]

約数ペア:

[(1, 51874389), (3, 17291463), (7, 7410627), (9, 5763821), (19, 2730231), (21, 2470209), (41, 1265229), (49, 1058661), (57, 910077), (63, 823403), (123, 421743), (133, 390033), (147, 352887), (151, 343539), (171, 303359), (287, 180747), (369, 140581), (399, 130011), (441, 117629), (453, 114513), (779, 66591), (861, 60249), (931, 55719), (1057, 49077), (1197, 43337), (1359, 38171), (2009, 25821), (2337, 22197), (2583, 20083), (2793, 18573), (2869, 18081), (3171, 16359), (5453, 9513), (6027, 8607), (6191, 8379), (7011, 7399)]