71350419

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 115067040

約数和(自身を除く): 43716621

約数列:

[1, 3, 7, 21, 49, 61, 73, 109, 147, 183, 219, 327, 427, 511, 763, 1281, 1533, 2289, 2989, 3577, 4453, 5341, 6649, 7957, 8967, 10731, 13359, 16023, 19947, 23871, 31171, 46543, 55699, 93513, 139629, 167097, 218197, 325801, 389893, 485377, 654591, 977403, 1169679, 1456131, 3397639, 10192917, 23783473, 71350419]

約数ペア:

[(1, 71350419), (3, 23783473), (7, 10192917), (21, 3397639), (49, 1456131), (61, 1169679), (73, 977403), (109, 654591), (147, 485377), (183, 389893), (219, 325801), (327, 218197), (427, 167097), (511, 139629), (763, 93513), (1281, 55699), (1533, 46543), (2289, 31171), (2989, 23871), (3577, 19947), (4453, 16023), (5341, 13359), (6649, 10731), (7957, 8967)]