216966393

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1171}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 381753216

約数和(自身を除く): 164786823

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 173, 357, 519, 1071, 1171, 1211, 1557, 2941, 3513, 3633, 8197, 8823, 10539, 10899, 19907, 20587, 24591, 26469, 59721, 61761, 73773, 139349, 179163, 185283, 202583, 418047, 607749, 1254141, 1418081, 1823247, 3443911, 4254243, 10331733, 12762729, 24107377, 30995199, 72322131, 216966393]

約数ペア:

[(1, 216966393), (3, 72322131), (7, 30995199), (9, 24107377), (17, 12762729), (21, 10331733), (51, 4254243), (63, 3443911), (119, 1823247), (153, 1418081), (173, 1254141), (357, 607749), (519, 418047), (1071, 202583), (1171, 185283), (1211, 179163), (1557, 139349), (2941, 73773), (3513, 61761), (3633, 59721), (8197, 26469), (8823, 24591), (10539, 20587), (10899, 19907)]