7280071449

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20392357}}^1$

素因数の和:20392384

約数の個数: 16

約数和(自身を含む): 11745998208

約数和(自身を除く): 4465926759

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 20392357, 61177071, 142746499, 346670069, 428239497, 1040010207, 2426690483, 7280071449]

約数ペア:

[(1, 7280071449), (3, 2426690483), (7, 1040010207), (17, 428239497), (21, 346670069), (51, 142746499), (119, 61177071), (357, 20392357)]