27853917

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 46002432

約数和(自身を除く): 18148515

約数列:

[1, 3, 7, 13, 21, 39, 91, 257, 273, 397, 771, 1191, 1799, 2779, 3341, 5161, 5397, 8337, 10023, 15483, 23387, 36127, 70161, 102029, 108381, 306087, 714203, 1326377, 2142609, 3979131, 9284639, 27853917]

約数ペア:

[(1, 27853917), (3, 9284639), (7, 3979131), (13, 2142609), (21, 1326377), (39, 714203), (91, 306087), (257, 108381), (273, 102029), (397, 70161), (771, 36127), (1191, 23387), (1799, 15483), (2779, 10023), (3341, 8337), (5161, 5397)]