16768125

素因数分解:

$3^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{271}}^1$

素因数の和:308

約数の個数: 60

約数和(自身を含む): 33139392

約数和(自身を除く): 16371267

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 165, 225, 271, 275, 375, 495, 625, 813, 825, 1125, 1355, 1375, 1875, 2439, 2475, 2981, 4065, 4125, 5625, 6775, 6875, 8943, 12195, 12375, 14905, 20325, 20625, 26829, 33875, 44715, 60975, 61875, 74525, 101625, 134145, 169375, 223575, 304875, 372625, 508125, 670725, 1117875, 1524375, 1863125, 3353625, 5589375, 16768125]

約数ペア:

[(1, 16768125), (3, 5589375), (5, 3353625), (9, 1863125), (11, 1524375), (15, 1117875), (25, 670725), (33, 508125), (45, 372625), (55, 304875), (75, 223575), (99, 169375), (125, 134145), (165, 101625), (225, 74525), (271, 61875), (275, 60975), (375, 44715), (495, 33875), (625, 26829), (813, 20625), (825, 20325), (1125, 14905), (1355, 12375), (1375, 12195), (1875, 8943), (2439, 6875), (2475, 6775), (2981, 5625), (4065, 4125)]