7221821895

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{379397}}^1$

素因数の和:379461

約数の個数: 40

約数和(自身を含む): 13221261504

約数和(自身を除く): 5999439609

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1269, 2115, 3807, 6345, 19035, 379397, 1138191, 1896985, 3414573, 5690955, 10243719, 17072865, 17831659, 30731157, 51218595, 53494977, 89158295, 153655785, 160484931, 267474885, 481454793, 802424655, 1444364379, 2407273965, 7221821895]

約数ペア:

[(1, 7221821895), (3, 2407273965), (5, 1444364379), (9, 802424655), (15, 481454793), (27, 267474885), (45, 160484931), (47, 153655785), (81, 89158295), (135, 53494977), (141, 51218595), (235, 30731157), (405, 17831659), (423, 17072865), (705, 10243719), (1269, 5690955), (2115, 3414573), (3807, 1896985), (6345, 1138191), (19035, 379397)]