156978405

素因数分解:

$3^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1171}}^1$

素因数の和:1519

約数の個数: 40

約数和(自身を含む): 282489504

約数和(自身を除く): 125511099

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 331, 405, 993, 1171, 1655, 2979, 3513, 4965, 5855, 8937, 10539, 14895, 17565, 26811, 31617, 44685, 52695, 94851, 134055, 158085, 387601, 474255, 1162803, 1938005, 3488409, 5814015, 10465227, 17442045, 31395681, 52326135, 156978405]

約数ペア:

[(1, 156978405), (3, 52326135), (5, 31395681), (9, 17442045), (15, 10465227), (27, 5814015), (45, 3488409), (81, 1938005), (135, 1162803), (331, 474255), (405, 387601), (993, 158085), (1171, 134055), (1655, 94851), (2979, 52695), (3513, 44685), (4965, 31617), (5855, 26811), (8937, 17565), (10539, 14895)]