72699225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3001}}^1$

素因数の和:3050

約数の個数: 48

約数和(自身を含む): 134009280

約数和(自身を除く): 61310055

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 969, 1275, 1425, 1615, 3001, 4845, 8075, 9003, 15005, 24225, 45015, 51017, 57019, 75025, 153051, 171057, 225075, 255085, 285095, 765255, 855285, 969323, 1275425, 1425475, 2907969, 3826275, 4276425, 4846615, 14539845, 24233075, 72699225]

約数ペア:

[(1, 72699225), (3, 24233075), (5, 14539845), (15, 4846615), (17, 4276425), (19, 3826275), (25, 2907969), (51, 1425475), (57, 1275425), (75, 969323), (85, 855285), (95, 765255), (255, 285095), (285, 255085), (323, 225075), (425, 171057), (475, 153051), (969, 75025), (1275, 57019), (1425, 51017), (1615, 45015), (3001, 24225), (4845, 15005), (8075, 9003)]