989571843

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1451}}^1$

素因数の和:1569

約数の個数: 64

約数和(自身を含む): 1658764800

約数和(自身を除く): 669192957

約数列:

[1, 3, 9, 13, 27, 29, 39, 67, 87, 117, 201, 261, 351, 377, 603, 783, 871, 1131, 1451, 1809, 1943, 2613, 3393, 4353, 5829, 7839, 10179, 13059, 17487, 18863, 23517, 25259, 39177, 42079, 52461, 56589, 75777, 97217, 126237, 169767, 227331, 291651, 378711, 509301, 547027, 681993, 874953, 1136133, 1263821, 1641081, 2624859, 2819293, 3791463, 4923243, 8457879, 11374389, 14769729, 25373637, 34123167, 36650809, 76120911, 109952427, 329857281, 989571843]

約数ペア:

[(1, 989571843), (3, 329857281), (9, 109952427), (13, 76120911), (27, 36650809), (29, 34123167), (39, 25373637), (67, 14769729), (87, 11374389), (117, 8457879), (201, 4923243), (261, 3791463), (351, 2819293), (377, 2624859), (603, 1641081), (783, 1263821), (871, 1136133), (1131, 874953), (1451, 681993), (1809, 547027), (1943, 509301), (2613, 378711), (3393, 291651), (4353, 227331), (5829, 169767), (7839, 126237), (10179, 97217), (13059, 75777), (17487, 56589), (18863, 52461), (23517, 42079), (25259, 39177)]