30213405

素因数分解:

$3^9\times 5^1\times {\mathrm{307}}^1$

素因数の和:339

約数の個数: 40

約数和(自身を含む): 54560352

約数和(自身を除く): 24346947

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 307, 405, 729, 921, 1215, 1535, 2187, 2763, 3645, 4605, 6561, 8289, 10935, 13815, 19683, 24867, 32805, 41445, 74601, 98415, 124335, 223803, 373005, 671409, 1119015, 2014227, 3357045, 6042681, 10071135, 30213405]

約数ペア:

[(1, 30213405), (3, 10071135), (5, 6042681), (9, 3357045), (15, 2014227), (27, 1119015), (45, 671409), (81, 373005), (135, 223803), (243, 124335), (307, 98415), (405, 74601), (729, 41445), (921, 32805), (1215, 24867), (1535, 19683), (2187, 13815), (2763, 10935), (3645, 8289), (4605, 6561)]