16813575

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:83

約数の個数: 90

約数和(自身を含む): 34299144

約数和(自身を除く): 17485569

約数列:

[1, 3, 5, 9, 15, 19, 23, 25, 27, 45, 57, 69, 75, 81, 95, 115, 135, 171, 207, 225, 285, 345, 361, 405, 437, 475, 513, 575, 621, 675, 855, 1035, 1083, 1311, 1425, 1539, 1725, 1805, 1863, 2025, 2185, 2565, 3105, 3249, 3933, 4275, 5175, 5415, 6555, 7695, 8303, 9025, 9315, 9747, 10925, 11799, 12825, 15525, 16245, 19665, 24909, 27075, 29241, 32775, 35397, 38475, 41515, 46575, 48735, 58995, 74727, 81225, 98325, 124545, 146205, 176985, 207575, 224181, 243675, 294975, 373635, 622725, 672543, 731025, 884925, 1120905, 1868175, 3362715, 5604525, 16813575]

約数ペア:

[(1, 16813575), (3, 5604525), (5, 3362715), (9, 1868175), (15, 1120905), (19, 884925), (23, 731025), (25, 672543), (27, 622725), (45, 373635), (57, 294975), (69, 243675), (75, 224181), (81, 207575), (95, 176985), (115, 146205), (135, 124545), (171, 98325), (207, 81225), (225, 74727), (285, 58995), (345, 48735), (361, 46575), (405, 41515), (437, 38475), (475, 35397), (513, 32775), (575, 29241), (621, 27075), (675, 24909), (855, 19665), (1035, 16245), (1083, 15525), (1311, 12825), (1425, 11799), (1539, 10925), (1725, 9747), (1805, 9315), (1863, 9025), (2025, 8303), (2185, 7695), (2565, 6555), (3105, 5415), (3249, 5175), (3933, 4275)]