64513275

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 112492800

約数和(自身を除く): 47979525

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 149, 251, 345, 447, 575, 745, 753, 1255, 1725, 2235, 3427, 3725, 3765, 5773, 6275, 10281, 11175, 17135, 17319, 18825, 28865, 37399, 51405, 85675, 86595, 112197, 144325, 186995, 257025, 432975, 560985, 860177, 934975, 2580531, 2804925, 4300885, 12902655, 21504425, 64513275]

約数ペア:

[(1, 64513275), (3, 21504425), (5, 12902655), (15, 4300885), (23, 2804925), (25, 2580531), (69, 934975), (75, 860177), (115, 560985), (149, 432975), (251, 257025), (345, 186995), (447, 144325), (575, 112197), (745, 86595), (753, 85675), (1255, 51405), (1725, 37399), (2235, 28865), (3427, 18825), (3725, 17319), (3765, 17135), (5773, 11175), (6275, 10281)]