284732385

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{20389}}^1$

素因数の和:20430

約数の個数: 48

約数和(自身を含む): 557870400

約数和(自身を除く): 273138015

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 20389, 61167, 101945, 142723, 305835, 387391, 428169, 713615, 999061, 1162173, 1936955, 2140845, 2711737, 2997183, 4995305, 5810865, 8135211, 13558685, 14985915, 18982159, 40676055, 56946477, 94910795, 284732385]

約数ペア:

[(1, 284732385), (3, 94910795), (5, 56946477), (7, 40676055), (15, 18982159), (19, 14985915), (21, 13558685), (35, 8135211), (49, 5810865), (57, 4995305), (95, 2997183), (105, 2711737), (133, 2140845), (147, 1936955), (245, 1162173), (285, 999061), (399, 713615), (665, 428169), (735, 387391), (931, 305835), (1995, 142723), (2793, 101945), (4655, 61167), (13965, 20389)]