1285223517

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19421}}^1$

素因数の和:19495

約数の個数: 40

約数和(自身を含む): 2068054560

約数和(自身を除く): 782831043

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 171, 387, 513, 817, 1161, 1539, 2451, 3483, 7353, 19421, 22059, 58263, 66177, 174789, 368999, 524367, 835103, 1106997, 1573101, 2505309, 3320991, 7515927, 9962973, 15866957, 22547781, 29888919, 47600871, 67643343, 142802613, 428407839, 1285223517]

約数ペア:

[(1, 1285223517), (3, 428407839), (9, 142802613), (19, 67643343), (27, 47600871), (43, 29888919), (57, 22547781), (81, 15866957), (129, 9962973), (171, 7515927), (387, 3320991), (513, 2505309), (817, 1573101), (1161, 1106997), (1539, 835103), (2451, 524367), (3483, 368999), (7353, 174789), (19421, 66177), (22059, 58263)]