291215031

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 405780480

約数和(自身を除く): 114565449

約数列:

[1, 3, 67, 73, 89, 201, 219, 223, 267, 669, 4891, 5963, 6497, 14673, 14941, 16279, 17889, 19491, 19847, 44823, 48837, 59541, 435299, 1090693, 1305897, 1329749, 1448831, 3272079, 3989247, 4346493, 97071677, 291215031]

約数ペア:

[(1, 291215031), (3, 97071677), (67, 4346493), (73, 3989247), (89, 3272079), (201, 1448831), (219, 1329749), (223, 1305897), (267, 1090693), (669, 435299), (4891, 59541), (5963, 48837), (6497, 44823), (14673, 19847), (14941, 19491), (16279, 17889)]