30881979

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:617

約数の個数: 40

約数和(自身を含む): 50128848

約数和(自身を除く): 19246869

約数列:

[1, 3, 9, 17, 27, 41, 51, 81, 123, 153, 369, 459, 547, 697, 1107, 1377, 1641, 2091, 3321, 4923, 6273, 9299, 14769, 18819, 22427, 27897, 44307, 56457, 67281, 83691, 201843, 251073, 381259, 605529, 753219, 1143777, 1816587, 3431331, 10293993, 30881979]

約数ペア:

[(1, 30881979), (3, 10293993), (9, 3431331), (17, 1816587), (27, 1143777), (41, 753219), (51, 605529), (81, 381259), (123, 251073), (153, 201843), (369, 83691), (459, 67281), (547, 56457), (697, 44307), (1107, 27897), (1377, 22427), (1641, 18819), (2091, 14769), (3321, 9299), (4923, 6273)]