78173595

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 138996000

約数和(自身を除く): 60822405

約数列:

[1, 3, 5, 9, 15, 45, 89, 131, 149, 267, 393, 445, 447, 655, 745, 801, 1179, 1335, 1341, 1965, 2235, 4005, 5895, 6705, 11659, 13261, 19519, 34977, 39783, 58295, 58557, 66305, 97595, 104931, 119349, 174885, 175671, 198915, 292785, 524655, 596745, 878355, 1737191, 5211573, 8685955, 15634719, 26057865, 78173595]

約数ペア:

[(1, 78173595), (3, 26057865), (5, 15634719), (9, 8685955), (15, 5211573), (45, 1737191), (89, 878355), (131, 596745), (149, 524655), (267, 292785), (393, 198915), (445, 175671), (447, 174885), (655, 119349), (745, 104931), (801, 97595), (1179, 66305), (1335, 58557), (1341, 58295), (1965, 39783), (2235, 34977), (4005, 19519), (5895, 13261), (6705, 11659)]