142668981

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10247}}^1$

素因数の和:10290

約数の個数: 48

約数和(自身を含む): 268579584

約数和(自身を除く): 125910603

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 4641, 10247, 13923, 30741, 71729, 92223, 133211, 174199, 215187, 399633, 522597, 645561, 932477, 1198899, 1219393, 1567791, 2264587, 2797431, 3658179, 6793761, 8392293, 10974537, 15852109, 20381283, 47556327, 142668981]

約数ペア:

[(1, 142668981), (3, 47556327), (7, 20381283), (9, 15852109), (13, 10974537), (17, 8392293), (21, 6793761), (39, 3658179), (51, 2797431), (63, 2264587), (91, 1567791), (117, 1219393), (119, 1198899), (153, 932477), (221, 645561), (273, 522597), (357, 399633), (663, 215187), (819, 174199), (1071, 133211), (1547, 92223), (1989, 71729), (4641, 30741), (10247, 13923)]