420449775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1093}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 729286656

約数和(自身を除く): 308836881

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 223, 345, 575, 669, 1093, 1115, 1725, 3279, 3345, 5129, 5465, 5575, 15387, 16395, 16725, 25139, 25645, 27325, 75417, 76935, 81975, 125695, 128225, 243739, 377085, 384675, 628475, 731217, 1218695, 1885425, 3656085, 5605997, 6093475, 16817991, 18280425, 28029985, 84089955, 140149925, 420449775]

約数ペア:

[(1, 420449775), (3, 140149925), (5, 84089955), (15, 28029985), (23, 18280425), (25, 16817991), (69, 6093475), (75, 5605997), (115, 3656085), (223, 1885425), (345, 1218695), (575, 731217), (669, 628475), (1093, 384675), (1115, 377085), (1725, 243739), (3279, 128225), (3345, 125695), (5129, 81975), (5465, 76935), (5575, 75417), (15387, 27325), (16395, 25645), (16725, 25139)]