1890668889

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2539}}^1$

素因数の和:2750

約数の個数: 48

約数和(自身を含む): 3005084160

約数和(自身を除く): 1114415271

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 157, 279, 471, 527, 1413, 1581, 2539, 2669, 4743, 4867, 7617, 8007, 14601, 22851, 24021, 43163, 43803, 78709, 82739, 129489, 236127, 248217, 388467, 398623, 708381, 744651, 1195869, 1338053, 3587607, 4014159, 6776591, 12042477, 12357313, 20329773, 37071939, 60989319, 111215817, 210074321, 630222963, 1890668889]

約数ペア:

[(1, 1890668889), (3, 630222963), (9, 210074321), (17, 111215817), (31, 60989319), (51, 37071939), (93, 20329773), (153, 12357313), (157, 12042477), (279, 6776591), (471, 4014159), (527, 3587607), (1413, 1338053), (1581, 1195869), (2539, 744651), (2669, 708381), (4743, 398623), (4867, 388467), (7617, 248217), (8007, 236127), (14601, 129489), (22851, 82739), (24021, 78709), (43163, 43803)]