208035075

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 354727296

約数和(自身を除く): 146692221

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 251, 257, 645, 753, 771, 1075, 1255, 1285, 3225, 3765, 3855, 6275, 6425, 10793, 11051, 18825, 19275, 32379, 33153, 53965, 55255, 64507, 161895, 165765, 193521, 269825, 276275, 322535, 809475, 828825, 967605, 1612675, 2773801, 4838025, 8321403, 13869005, 41607015, 69345025, 208035075]

約数ペア:

[(1, 208035075), (3, 69345025), (5, 41607015), (15, 13869005), (25, 8321403), (43, 4838025), (75, 2773801), (129, 1612675), (215, 967605), (251, 828825), (257, 809475), (645, 322535), (753, 276275), (771, 269825), (1075, 193521), (1255, 165765), (1285, 161895), (3225, 64507), (3765, 55255), (3855, 53965), (6275, 33153), (6425, 32379), (10793, 19275), (11051, 18825)]