217304829

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1439}}^1$

素因数の和:1519

約数の個数: 64

約数和(自身を含む): 398131200

約数和(自身を除く): 180826371

約数列:

[1, 3, 7, 9, 17, 21, 27, 47, 51, 63, 119, 141, 153, 189, 329, 357, 423, 459, 799, 987, 1071, 1269, 1439, 2397, 2961, 3213, 4317, 5593, 7191, 8883, 10073, 12951, 16779, 21573, 24463, 30219, 38853, 50337, 67633, 73389, 90657, 151011, 171241, 202899, 220167, 271971, 473431, 513723, 608697, 660501, 1149761, 1420293, 1541169, 1826091, 3449283, 4260879, 4623507, 8048327, 10347849, 12782637, 24144981, 31043547, 72434943, 217304829]

約数ペア:

[(1, 217304829), (3, 72434943), (7, 31043547), (9, 24144981), (17, 12782637), (21, 10347849), (27, 8048327), (47, 4623507), (51, 4260879), (63, 3449283), (119, 1826091), (141, 1541169), (153, 1420293), (189, 1149761), (329, 660501), (357, 608697), (423, 513723), (459, 473431), (799, 271971), (987, 220167), (1071, 202899), (1269, 171241), (1439, 151011), (2397, 90657), (2961, 73389), (3213, 67633), (4317, 50337), (5593, 38853), (7191, 30219), (8883, 24463), (10073, 21573), (12951, 16779)]