78821547

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 127256832

約数和(自身を除く): 48435285

約数列:

[1, 3, 7, 21, 49, 53, 67, 147, 151, 159, 201, 371, 453, 469, 1057, 1113, 1407, 2597, 3171, 3283, 3551, 7399, 7791, 8003, 9849, 10117, 10653, 22197, 24009, 24857, 30351, 56021, 70819, 74571, 168063, 173999, 212457, 392147, 495733, 521997, 536201, 1176441, 1487199, 1608603, 3753407, 11260221, 26273849, 78821547]

約数ペア:

[(1, 78821547), (3, 26273849), (7, 11260221), (21, 3753407), (49, 1608603), (53, 1487199), (67, 1176441), (147, 536201), (151, 521997), (159, 495733), (201, 392147), (371, 212457), (453, 173999), (469, 168063), (1057, 74571), (1113, 70819), (1407, 56021), (2597, 30351), (3171, 24857), (3283, 24009), (3551, 22197), (7399, 10653), (7791, 10117), (8003, 9849)]