16688295

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 32941440

約数和(自身を除く): 16253145

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 111, 117, 135, 185, 195, 257, 333, 351, 481, 555, 585, 771, 999, 1285, 1443, 1665, 1755, 2313, 2405, 3341, 3855, 4329, 4995, 6939, 7215, 9509, 10023, 11565, 12987, 16705, 21645, 28527, 30069, 34695, 47545, 50115, 64935, 85581, 90207, 123617, 142635, 150345, 256743, 370851, 427905, 451035, 618085, 1112553, 1283715, 1854255, 3337659, 5562765, 16688295]

約数ペア:

[(1, 16688295), (3, 5562765), (5, 3337659), (9, 1854255), (13, 1283715), (15, 1112553), (27, 618085), (37, 451035), (39, 427905), (45, 370851), (65, 256743), (111, 150345), (117, 142635), (135, 123617), (185, 90207), (195, 85581), (257, 64935), (333, 50115), (351, 47545), (481, 34695), (555, 30069), (585, 28527), (771, 21645), (999, 16705), (1285, 12987), (1443, 11565), (1665, 10023), (1755, 9509), (2313, 7215), (2405, 6939), (3341, 4995), (3855, 4329)]