53313687

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 95385600

約数和(自身を除く): 42071913

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 71, 87, 137, 189, 203, 213, 261, 411, 497, 609, 639, 783, 959, 1233, 1491, 1827, 1917, 2059, 2877, 3699, 3973, 4473, 5481, 6177, 8631, 9727, 11919, 13419, 14413, 18531, 25893, 27811, 29181, 35757, 43239, 55593, 68089, 83433, 87543, 107271, 129717, 204267, 250299, 262629, 282083, 389151, 612801, 750897, 846249, 1838403, 1974581, 2538747, 5923743, 7616241, 17771229, 53313687]

約数ペア:

[(1, 53313687), (3, 17771229), (7, 7616241), (9, 5923743), (21, 2538747), (27, 1974581), (29, 1838403), (63, 846249), (71, 750897), (87, 612801), (137, 389151), (189, 282083), (203, 262629), (213, 250299), (261, 204267), (411, 129717), (497, 107271), (609, 87543), (639, 83433), (783, 68089), (959, 55593), (1233, 43239), (1491, 35757), (1827, 29181), (1917, 27811), (2059, 25893), (2877, 18531), (3699, 14413), (3973, 13419), (4473, 11919), (5481, 9727), (6177, 8631)]