223867995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{28001}}^1$

素因数の和:28063

約数の個数: 32

約数和(自身を含む): 395164224

約数和(自身を除く): 171296229

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995, 28001, 84003, 140005, 364013, 420015, 1092039, 1148041, 1820065, 3444123, 5460195, 5740205, 14924533, 17220615, 44773599, 74622665, 223867995]

約数ペア:

[(1, 223867995), (3, 74622665), (5, 44773599), (13, 17220615), (15, 14924533), (39, 5740205), (41, 5460195), (65, 3444123), (123, 1820065), (195, 1148041), (205, 1092039), (533, 420015), (615, 364013), (1599, 140005), (2665, 84003), (7995, 28001)]