189810747

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 320136960

約数和(自身を除く): 130326213

約数列:

[1, 3, 7, 9, 21, 63, 109, 131, 211, 327, 393, 633, 763, 917, 981, 1179, 1477, 1899, 2289, 2751, 4431, 6867, 8253, 13293, 14279, 22999, 27641, 42837, 68997, 82923, 99953, 128511, 160993, 193487, 206991, 248769, 299859, 482979, 580461, 899577, 1448937, 1741383, 3012869, 9038607, 21090083, 27115821, 63270249, 189810747]

約数ペア:

[(1, 189810747), (3, 63270249), (7, 27115821), (9, 21090083), (21, 9038607), (63, 3012869), (109, 1741383), (131, 1448937), (211, 899577), (327, 580461), (393, 482979), (633, 299859), (763, 248769), (917, 206991), (981, 193487), (1179, 160993), (1477, 128511), (1899, 99953), (2289, 82923), (2751, 68997), (4431, 42837), (6867, 27641), (8253, 22999), (13293, 14279)]