4065957

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 40

約数和(自身を含む): 7108992

約数和(自身を除く): 3043035

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 101, 189, 213, 303, 497, 567, 639, 707, 909, 1491, 1917, 2121, 2727, 4473, 5751, 6363, 7171, 8181, 13419, 19089, 21513, 40257, 50197, 57267, 64539, 150591, 193617, 451773, 580851, 1355319, 4065957]

約数ペア:

[(1, 4065957), (3, 1355319), (7, 580851), (9, 451773), (21, 193617), (27, 150591), (63, 64539), (71, 57267), (81, 50197), (101, 40257), (189, 21513), (213, 19089), (303, 13419), (497, 8181), (567, 7171), (639, 6363), (707, 5751), (909, 4473), (1491, 2727), (1917, 2121)]