291212235

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{877}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 519382656

約数和(自身を除く): 228170421

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 157, 235, 423, 471, 705, 785, 877, 1413, 2115, 2355, 2631, 4385, 7065, 7379, 7893, 13155, 22137, 36895, 39465, 41219, 66411, 110685, 123657, 137689, 206095, 332055, 370971, 413067, 618285, 688445, 1239201, 1854855, 2065335, 6196005, 6471383, 19414149, 32356915, 58242447, 97070745, 291212235]

約数ペア:

[(1, 291212235), (3, 97070745), (5, 58242447), (9, 32356915), (15, 19414149), (45, 6471383), (47, 6196005), (141, 2065335), (157, 1854855), (235, 1239201), (423, 688445), (471, 618285), (705, 413067), (785, 370971), (877, 332055), (1413, 206095), (2115, 137689), (2355, 123657), (2631, 110685), (4385, 66411), (7065, 41219), (7379, 39465), (7893, 36895), (13155, 22137)]