75245745

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 122601600

約数和(自身を除く): 47355855

約数列:

[1, 3, 5, 15, 131, 149, 257, 393, 447, 655, 745, 771, 1285, 1965, 2235, 3855, 19519, 33667, 38293, 58557, 97595, 101001, 114879, 168335, 191465, 292785, 505005, 574395, 5016383, 15049149, 25081915, 75245745]

約数ペア:

[(1, 75245745), (3, 25081915), (5, 15049149), (15, 5016383), (131, 574395), (149, 505005), (257, 292785), (393, 191465), (447, 168335), (655, 114879), (745, 101001), (771, 97595), (1285, 58557), (1965, 38293), (2235, 33667), (3855, 19519)]