28514655

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 53988480

約数和(自身を除く): 25473825

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 79, 117, 195, 237, 395, 585, 617, 711, 1027, 1185, 1851, 3081, 3085, 3555, 5135, 5553, 8021, 9243, 9255, 15405, 24063, 27765, 40105, 46215, 48743, 72189, 120315, 146229, 243715, 360945, 438687, 633659, 731145, 1900977, 2193435, 3168295, 5702931, 9504885, 28514655]

約数ペア:

[(1, 28514655), (3, 9504885), (5, 5702931), (9, 3168295), (13, 2193435), (15, 1900977), (39, 731145), (45, 633659), (65, 438687), (79, 360945), (117, 243715), (195, 146229), (237, 120315), (395, 72189), (585, 48743), (617, 46215), (711, 40105), (1027, 27765), (1185, 24063), (1851, 15405), (3081, 9255), (3085, 9243), (3555, 8021), (5135, 5553)]