56421351

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 99590400

約数和(自身を除く): 43169049

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 139, 153, 357, 379, 417, 973, 1071, 1137, 1251, 2363, 2653, 2919, 3411, 6443, 7089, 7959, 8757, 16541, 19329, 21267, 23877, 45101, 49623, 52681, 57987, 135303, 148869, 158043, 368767, 405909, 474129, 895577, 1106301, 2686731, 3318903, 6269039, 8060193, 18807117, 56421351]

約数ペア:

[(1, 56421351), (3, 18807117), (7, 8060193), (9, 6269039), (17, 3318903), (21, 2686731), (51, 1106301), (63, 895577), (119, 474129), (139, 405909), (153, 368767), (357, 158043), (379, 148869), (417, 135303), (973, 57987), (1071, 52681), (1137, 49623), (1251, 45101), (2363, 23877), (2653, 21267), (2919, 19329), (3411, 16541), (6443, 8757), (7089, 7959)]