1520776803

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1553}}^1$

素因数の和:1804

約数の個数: 64

約数和(自身を含む): 2656668672

約数和(自身を除く): 1135891869

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 211, 221, 273, 357, 633, 663, 1477, 1547, 1553, 2743, 3587, 4431, 4641, 4659, 8229, 10761, 10871, 19201, 20189, 25109, 26401, 32613, 46631, 57603, 60567, 75327, 79203, 139893, 141323, 184807, 326417, 327683, 343213, 423969, 554421, 979251, 983049, 1029639, 2293781, 2402491, 4259879, 5570611, 6881343, 7207473, 12779637, 16711833, 29819153, 38994277, 72417943, 89457459, 116982831, 217253829, 506925601, 1520776803]

約数ペア:

[(1, 1520776803), (3, 506925601), (7, 217253829), (13, 116982831), (17, 89457459), (21, 72417943), (39, 38994277), (51, 29819153), (91, 16711833), (119, 12779637), (211, 7207473), (221, 6881343), (273, 5570611), (357, 4259879), (633, 2402491), (663, 2293781), (1477, 1029639), (1547, 983049), (1553, 979251), (2743, 554421), (3587, 423969), (4431, 343213), (4641, 327683), (4659, 326417), (8229, 184807), (10761, 141323), (10871, 139893), (19201, 79203), (20189, 75327), (25109, 60567), (26401, 57603), (32613, 46631)]