386156985

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{1493}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 634220928

約数和(自身を除く): 248063943

約数列:

[1, 3, 5, 15, 43, 129, 215, 401, 645, 1203, 1493, 2005, 4479, 6015, 7465, 17243, 22395, 51729, 64199, 86215, 192597, 258645, 320995, 598693, 962985, 1796079, 2993465, 8980395, 25743799, 77231397, 128718995, 386156985]

約数ペア:

[(1, 386156985), (3, 128718995), (5, 77231397), (15, 25743799), (43, 8980395), (129, 2993465), (215, 1796079), (401, 962985), (645, 598693), (1203, 320995), (1493, 258645), (2005, 192597), (4479, 86215), (6015, 64199), (7465, 51729), (17243, 22395)]