18777129

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 30585600

約数和(自身を除く): 11808471

約数列:

[1, 3, 7, 17, 21, 51, 119, 149, 353, 357, 447, 1043, 1059, 2471, 2533, 3129, 6001, 7413, 7599, 17731, 18003, 42007, 52597, 53193, 126021, 157791, 368179, 894149, 1104537, 2682447, 6259043, 18777129]

約数ペア:

[(1, 18777129), (3, 6259043), (7, 2682447), (17, 1104537), (21, 894149), (51, 368179), (119, 157791), (149, 126021), (353, 53193), (357, 52597), (447, 42007), (1043, 18003), (1059, 17731), (2471, 7599), (2533, 7413), (3129, 6001)]