72321885

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{337}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 132874560

約数和(自身を除く): 60552675

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 251, 285, 337, 753, 855, 1011, 1255, 1685, 2259, 3033, 3765, 4769, 5055, 6403, 11295, 14307, 15165, 19209, 23845, 32015, 42921, 57627, 71535, 84587, 96045, 214605, 253761, 288135, 422935, 761283, 1268805, 1607153, 3806415, 4821459, 8035765, 14464377, 24107295, 72321885]

約数ペア:

[(1, 72321885), (3, 24107295), (5, 14464377), (9, 8035765), (15, 4821459), (19, 3806415), (45, 1607153), (57, 1268805), (95, 761283), (171, 422935), (251, 288135), (285, 253761), (337, 214605), (753, 96045), (855, 84587), (1011, 71535), (1255, 57627), (1685, 42921), (2259, 32015), (3033, 23845), (3765, 19209), (4769, 15165), (5055, 14307), (6403, 11295)]