27978957

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:418

約数の個数: 36

約数和(自身を含む): 44443776

約数和(自身を除く): 16464819

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 289, 347, 527, 867, 1041, 1581, 2601, 3123, 4743, 5899, 8959, 10757, 17697, 26877, 32271, 53091, 80631, 96813, 100283, 182869, 300849, 548607, 902547, 1645821, 3108773, 9326319, 27978957]

約数ペア:

[(1, 27978957), (3, 9326319), (9, 3108773), (17, 1645821), (31, 902547), (51, 548607), (93, 300849), (153, 182869), (279, 100283), (289, 96813), (347, 80631), (527, 53091), (867, 32271), (1041, 26877), (1581, 17697), (2601, 10757), (3123, 8959), (4743, 5899)]