642882465

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{727}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 1144311168

約数和(自身を除く): 501428703

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 457, 645, 727, 1371, 1935, 2181, 2285, 3635, 4113, 6543, 6855, 10905, 19651, 20565, 31261, 32715, 58953, 93783, 98255, 156305, 176859, 281349, 294765, 332239, 468915, 884295, 996717, 1406745, 1661195, 2990151, 4983585, 14286277, 14950755, 42858831, 71431385, 128576493, 214294155, 642882465]

約数ペア:

[(1, 642882465), (3, 214294155), (5, 128576493), (9, 71431385), (15, 42858831), (43, 14950755), (45, 14286277), (129, 4983585), (215, 2990151), (387, 1661195), (457, 1406745), (645, 996717), (727, 884295), (1371, 468915), (1935, 332239), (2181, 294765), (2285, 281349), (3635, 176859), (4113, 156305), (6543, 98255), (6855, 93783), (10905, 58953), (19651, 32715), (20565, 31261)]