1720125285

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{26539}}^1$

素因数の和:26725

約数の個数: 32

約数和(自身を含む): 2866320000

約数和(自身を除く): 1146194715

約数列:

[1, 3, 5, 15, 29, 87, 145, 149, 435, 447, 745, 2235, 4321, 12963, 21605, 26539, 64815, 79617, 132695, 398085, 769631, 2308893, 3848155, 3954311, 11544465, 11862933, 19771555, 59314665, 114675019, 344025057, 573375095, 1720125285]

約数ペア:

[(1, 1720125285), (3, 573375095), (5, 344025057), (15, 114675019), (29, 59314665), (87, 19771555), (145, 11862933), (149, 11544465), (435, 3954311), (447, 3848155), (745, 2308893), (2235, 769631), (4321, 398085), (12963, 132695), (21605, 79617), (26539, 64815)]