2281365

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 40

約数和(自身を含む): 4216608

約数和(自身を除く): 1935243

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 131, 135, 215, 387, 393, 405, 645, 655, 1161, 1179, 1935, 1965, 3483, 3537, 5633, 5805, 5895, 10611, 16899, 17415, 17685, 28165, 50697, 53055, 84495, 152091, 253485, 456273, 760455, 2281365]

約数ペア:

[(1, 2281365), (3, 760455), (5, 456273), (9, 253485), (15, 152091), (27, 84495), (43, 53055), (45, 50697), (81, 28165), (129, 17685), (131, 17415), (135, 16899), (215, 10611), (387, 5895), (393, 5805), (405, 5633), (645, 3537), (655, 3483), (1161, 1965), (1179, 1935)]