15980895

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{1879}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 32847360

約数和(自身を除く): 16866465

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 1879, 2835, 5637, 8505, 9395, 13153, 16911, 28185, 39459, 50733, 65765, 84555, 118377, 152199, 197295, 253665, 355131, 456597, 591885, 760995, 1065393, 1775655, 2282985, 3196179, 5326965, 15980895]

約数ペア:

[(1, 15980895), (3, 5326965), (5, 3196179), (7, 2282985), (9, 1775655), (15, 1065393), (21, 760995), (27, 591885), (35, 456597), (45, 355131), (63, 253665), (81, 197295), (105, 152199), (135, 118377), (189, 84555), (243, 65765), (315, 50733), (405, 39459), (567, 28185), (945, 16911), (1215, 13153), (1701, 9395), (1879, 8505), (2835, 5637)]