31453995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 57729024

約数和(自身を除く): 26275029

約数列:

[1, 3, 5, 15, 17, 23, 31, 51, 69, 85, 93, 115, 155, 173, 255, 345, 391, 465, 519, 527, 713, 865, 1173, 1581, 1955, 2139, 2595, 2635, 2941, 3565, 3979, 5363, 5865, 7905, 8823, 10695, 11937, 12121, 14705, 16089, 19895, 26815, 36363, 44115, 59685, 60605, 67643, 80445, 91171, 123349, 181815, 202929, 273513, 338215, 370047, 455855, 616745, 1014645, 1367565, 1850235, 2096933, 6290799, 10484665, 31453995]

約数ペア:

[(1, 31453995), (3, 10484665), (5, 6290799), (15, 2096933), (17, 1850235), (23, 1367565), (31, 1014645), (51, 616745), (69, 455855), (85, 370047), (93, 338215), (115, 273513), (155, 202929), (173, 181815), (255, 123349), (345, 91171), (391, 80445), (465, 67643), (519, 60605), (527, 59685), (713, 44115), (865, 36363), (1173, 26815), (1581, 19895), (1955, 16089), (2139, 14705), (2595, 12121), (2635, 11937), (2941, 10695), (3565, 8823), (3979, 7905), (5363, 5865)]