15009975

素因数分解:

$3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 28366240

約数和(自身を除く): 13356265

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 111, 135, 185, 225, 333, 555, 601, 675, 925, 999, 1665, 1803, 2775, 3005, 4995, 5409, 8325, 9015, 15025, 16227, 22237, 24975, 27045, 45075, 66711, 81135, 111185, 135225, 200133, 333555, 405675, 555925, 600399, 1000665, 1667775, 3001995, 5003325, 15009975]

約数ペア:

[(1, 15009975), (3, 5003325), (5, 3001995), (9, 1667775), (15, 1000665), (25, 600399), (27, 555925), (37, 405675), (45, 333555), (75, 200133), (111, 135225), (135, 111185), (185, 81135), (225, 66711), (333, 45075), (555, 27045), (601, 24975), (675, 22237), (925, 16227), (999, 15025), (1665, 9015), (1803, 8325), (2775, 5409), (3005, 4995)]