51064419

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 85363200

約数和(自身を除く): 34298781

約数列:

[1, 3, 7, 19, 21, 47, 49, 57, 133, 141, 147, 329, 389, 399, 893, 931, 987, 1167, 2303, 2679, 2723, 2793, 6251, 6909, 7391, 8169, 18283, 18753, 19061, 22173, 43757, 51737, 54849, 57183, 127981, 131271, 155211, 347377, 362159, 383943, 895867, 1042131, 1086477, 2431639, 2687601, 7294917, 17021473, 51064419]

約数ペア:

[(1, 51064419), (3, 17021473), (7, 7294917), (19, 2687601), (21, 2431639), (47, 1086477), (49, 1042131), (57, 895867), (133, 383943), (141, 362159), (147, 347377), (329, 155211), (389, 131271), (399, 127981), (893, 57183), (931, 54849), (987, 51737), (1167, 43757), (2303, 22173), (2679, 19061), (2723, 18753), (2793, 18283), (6251, 8169), (6909, 7391)]