222556509

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 376696320

約数和(自身を除く): 154139811

約数列:

[1, 3, 7, 9, 21, 63, 79, 97, 237, 291, 461, 553, 679, 711, 873, 1383, 1659, 2037, 3227, 4149, 4977, 6111, 7663, 9681, 22989, 29043, 36419, 44717, 53641, 68967, 109257, 134151, 160923, 254933, 313019, 327771, 402453, 482769, 764799, 939057, 2294397, 2817171, 3532643, 10597929, 24728501, 31793787, 74185503, 222556509]

約数ペア:

[(1, 222556509), (3, 74185503), (7, 31793787), (9, 24728501), (21, 10597929), (63, 3532643), (79, 2817171), (97, 2294397), (237, 939057), (291, 764799), (461, 482769), (553, 402453), (679, 327771), (711, 313019), (873, 254933), (1383, 160923), (1659, 134151), (2037, 109257), (3227, 68967), (4149, 53641), (4977, 44717), (6111, 36419), (7663, 29043), (9681, 22989)]