42149457

素因数分解:

$3^3\times 7^2\times {\mathrm{31859}}^1$

素因数の和:31882

約数の個数: 24

約数和(自身を含む): 72640800

約数和(自身を除く): 30491343

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 31859, 95577, 223013, 286731, 669039, 860193, 1561091, 2007117, 4683273, 6021351, 14049819, 42149457]

約数ペア:

[(1, 42149457), (3, 14049819), (7, 6021351), (9, 4683273), (21, 2007117), (27, 1561091), (49, 860193), (63, 669039), (147, 286731), (189, 223013), (441, 95577), (1323, 31859)]