146721897

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 250027648

約数和(自身を除く): 103305751

約数列:

[1, 3, 7, 9, 21, 61, 63, 73, 183, 219, 427, 511, 523, 549, 657, 1281, 1533, 1569, 3661, 3843, 4453, 4599, 4707, 10983, 13359, 31171, 31903, 32949, 38179, 40077, 93513, 95709, 114537, 223321, 267253, 280539, 287127, 343611, 669963, 801759, 2009889, 2328919, 2405277, 6986757, 16302433, 20960271, 48907299, 146721897]

約数ペア:

[(1, 146721897), (3, 48907299), (7, 20960271), (9, 16302433), (21, 6986757), (61, 2405277), (63, 2328919), (73, 2009889), (183, 801759), (219, 669963), (427, 343611), (511, 287127), (523, 280539), (549, 267253), (657, 223321), (1281, 114537), (1533, 95709), (1569, 93513), (3661, 40077), (3843, 38179), (4453, 32949), (4599, 31903), (4707, 31171), (10983, 13359)]