204370821

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 331531200

約数和(自身を除く): 127160379

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 229, 307, 323, 687, 921, 969, 2061, 2763, 2907, 3893, 4351, 5219, 5833, 11679, 13053, 15657, 17499, 35037, 39159, 46971, 52497, 70303, 73967, 99161, 210909, 221901, 297483, 632727, 665703, 892449, 1195151, 1335757, 3585453, 4007271, 10756359, 12021813, 22707869, 68123607, 204370821]

約数ペア:

[(1, 204370821), (3, 68123607), (9, 22707869), (17, 12021813), (19, 10756359), (51, 4007271), (57, 3585453), (153, 1335757), (171, 1195151), (229, 892449), (307, 665703), (323, 632727), (687, 297483), (921, 221901), (969, 210909), (2061, 99161), (2763, 73967), (2907, 70303), (3893, 52497), (4351, 46971), (5219, 39159), (5833, 35037), (11679, 17499), (13053, 15657)]